Category: Matlab
Category Archives: Matlab
MATLAB Coder: How do I setup the environment variables on ARM targets to point to the ARM Compute Library?
I see a few deep learning networks supported for code generation using MATLAB Coder:
Deep Learning Networks and Layers Supported for C++ Code Generation
And I’ve seen the question here about building the ARM Compute Library:
MATLAB Coder: How do I build the ARM Compute Library for Deep Learning C++ code generation and deployment?
The next question I have is, how do I set the environment variables on ARM targets to point to the ARM Compute Library?I see a few deep learning networks supported for code generation using MATLAB Coder:
Deep Learning Networks and Layers Supported for C++ Code Generation
And I’ve seen the question here about building the ARM Compute Library:
MATLAB Coder: How do I build the ARM Compute Library for Deep Learning C++ code generation and deployment?
The next question I have is, how do I set the environment variables on ARM targets to point to the ARM Compute Library? I see a few deep learning networks supported for code generation using MATLAB Coder:
Deep Learning Networks and Layers Supported for C++ Code Generation
And I’ve seen the question here about building the ARM Compute Library:
MATLAB Coder: How do I build the ARM Compute Library for Deep Learning C++ code generation and deployment?
The next question I have is, how do I set the environment variables on ARM targets to point to the ARM Compute Library? neural network, deep learning, code generation, coder-tips, arm, arm cortex-a, arm compute library MATLAB Answers — New Questions
recover color on image
i am converted rgb color image to im2bw format and gray scale image.
after i am extracted the boundary then i want to stored the the colored image.
please tell how to manage the color then recover or apply color for gray scale image and im2bw imagei am converted rgb color image to im2bw format and gray scale image.
after i am extracted the boundary then i want to stored the the colored image.
please tell how to manage the color then recover or apply color for gray scale image and im2bw image i am converted rgb color image to im2bw format and gray scale image.
after i am extracted the boundary then i want to stored the the colored image.
please tell how to manage the color then recover or apply color for gray scale image and im2bw image image processing, digital image processing, image, image segmentation, image analysis MATLAB Answers — New Questions
Is giving a space after comma in functions the convention?
I more often see
y = pdf(‘t’, x, df);
than
y = pdf(‘t’,x,df);
That is, people often give a space after comma when writing the input arguments in a function. But then when indexing from an array like
array[1,2]
they do not do this. I also see this happening in books. So is this indeed a convention? If not, what is the comvention? Or are both just a matter of preference. But I doubt that preference is the case because I consistently see the above happening.I more often see
y = pdf(‘t’, x, df);
than
y = pdf(‘t’,x,df);
That is, people often give a space after comma when writing the input arguments in a function. But then when indexing from an array like
array[1,2]
they do not do this. I also see this happening in books. So is this indeed a convention? If not, what is the comvention? Or are both just a matter of preference. But I doubt that preference is the case because I consistently see the above happening. I more often see
y = pdf(‘t’, x, df);
than
y = pdf(‘t’,x,df);
That is, people often give a space after comma when writing the input arguments in a function. But then when indexing from an array like
array[1,2]
they do not do this. I also see this happening in books. So is this indeed a convention? If not, what is the comvention? Or are both just a matter of preference. But I doubt that preference is the case because I consistently see the above happening. syntax MATLAB Answers — New Questions
How does MATLAB generate the probability density function?
I am using the pdf function (https://nl.mathworks.com/help/stats/prob.normaldistribution.pdf.html) to just visuilize the pdf of the t statistic for teaching purposes. I am wondering how MATLAB generates this continous distrubtion. That is, this is the limiting distrbituion, so MATLAB should be taking many many random draws from the t distrubtion so that the frequency distribtuon converges to the pdf as the limiting distribtuon and looks all smooth, i.e. it does not look at all like a frequency distribution. But then how come that this happens so fast that I get the pdf immedaitly when I call the pdf function? Or is this not how MATLAB generates the pdf?I am using the pdf function (https://nl.mathworks.com/help/stats/prob.normaldistribution.pdf.html) to just visuilize the pdf of the t statistic for teaching purposes. I am wondering how MATLAB generates this continous distrubtion. That is, this is the limiting distrbituion, so MATLAB should be taking many many random draws from the t distrubtion so that the frequency distribtuon converges to the pdf as the limiting distribtuon and looks all smooth, i.e. it does not look at all like a frequency distribution. But then how come that this happens so fast that I get the pdf immedaitly when I call the pdf function? Or is this not how MATLAB generates the pdf? I am using the pdf function (https://nl.mathworks.com/help/stats/prob.normaldistribution.pdf.html) to just visuilize the pdf of the t statistic for teaching purposes. I am wondering how MATLAB generates this continous distrubtion. That is, this is the limiting distrbituion, so MATLAB should be taking many many random draws from the t distrubtion so that the frequency distribtuon converges to the pdf as the limiting distribtuon and looks all smooth, i.e. it does not look at all like a frequency distribution. But then how come that this happens so fast that I get the pdf immedaitly when I call the pdf function? Or is this not how MATLAB generates the pdf? pdf, function MATLAB Answers — New Questions
MATLAB – Read GRIB Data
Background:
I want to import meteorological data (wind speed, temperature as a function of position and altitude) in the GRIB-format into Matlab.
Status:
While googling I found this Matlab-Grib-Reader: <http://www.mathworks.com/matlabcentr…exchange/21579>
The Matlab Grib-Reader requires CDI libraries from here: <https://code.zmaw.de/projects/cdi/files>
The libraries must be compiled with the own machine, i used this terminal commands:
./configure CFLAGS=-fPIC CPPFLAGS=-fPIC –enable-shared
make
I copied the resulting libcdi.a library into the lib64 folder, and executed compile.m which gave me the following:
COMPILING cdi_varlist…
cdi_mx.c: In function ‘getLevel’:
cdi_mx.c:431: warning: incompatible implicit declaration of built-in function ‘modf’
Undefined symbols for architecture x86_64:
"_Warning", referenced from:
_getLevel in cdi_mx.o
(maybe you meant: _Warning_)
ld: symbol(s) not found for architecture x86_64
collect2: ld returned 1 exit status
mex: link of ‘ "cdi_varlist.mexmaci64"’ failed.
Error using mex (line 206)
Unable to complete successfully.
Error in compile (line 15)
mex cdi_varlist.c cdi_mx.c -Iinclude -Llib64 -lcdi -lnetcdf
Who can help?
PS: Matlab 2012a, Mac OS X 10.8.2, Xcode 4.6Background:
I want to import meteorological data (wind speed, temperature as a function of position and altitude) in the GRIB-format into Matlab.
Status:
While googling I found this Matlab-Grib-Reader: <http://www.mathworks.com/matlabcentr…exchange/21579>
The Matlab Grib-Reader requires CDI libraries from here: <https://code.zmaw.de/projects/cdi/files>
The libraries must be compiled with the own machine, i used this terminal commands:
./configure CFLAGS=-fPIC CPPFLAGS=-fPIC –enable-shared
make
I copied the resulting libcdi.a library into the lib64 folder, and executed compile.m which gave me the following:
COMPILING cdi_varlist…
cdi_mx.c: In function ‘getLevel’:
cdi_mx.c:431: warning: incompatible implicit declaration of built-in function ‘modf’
Undefined symbols for architecture x86_64:
"_Warning", referenced from:
_getLevel in cdi_mx.o
(maybe you meant: _Warning_)
ld: symbol(s) not found for architecture x86_64
collect2: ld returned 1 exit status
mex: link of ‘ "cdi_varlist.mexmaci64"’ failed.
Error using mex (line 206)
Unable to complete successfully.
Error in compile (line 15)
mex cdi_varlist.c cdi_mx.c -Iinclude -Llib64 -lcdi -lnetcdf
Who can help?
PS: Matlab 2012a, Mac OS X 10.8.2, Xcode 4.6 Background:
I want to import meteorological data (wind speed, temperature as a function of position and altitude) in the GRIB-format into Matlab.
Status:
While googling I found this Matlab-Grib-Reader: <http://www.mathworks.com/matlabcentr…exchange/21579>
The Matlab Grib-Reader requires CDI libraries from here: <https://code.zmaw.de/projects/cdi/files>
The libraries must be compiled with the own machine, i used this terminal commands:
./configure CFLAGS=-fPIC CPPFLAGS=-fPIC –enable-shared
make
I copied the resulting libcdi.a library into the lib64 folder, and executed compile.m which gave me the following:
COMPILING cdi_varlist…
cdi_mx.c: In function ‘getLevel’:
cdi_mx.c:431: warning: incompatible implicit declaration of built-in function ‘modf’
Undefined symbols for architecture x86_64:
"_Warning", referenced from:
_getLevel in cdi_mx.o
(maybe you meant: _Warning_)
ld: symbol(s) not found for architecture x86_64
collect2: ld returned 1 exit status
mex: link of ‘ "cdi_varlist.mexmaci64"’ failed.
Error using mex (line 206)
Unable to complete successfully.
Error in compile (line 15)
mex cdi_varlist.c cdi_mx.c -Iinclude -Llib64 -lcdi -lnetcdf
Who can help?
PS: Matlab 2012a, Mac OS X 10.8.2, Xcode 4.6 grib compile mex MATLAB Answers — New Questions
Problems Reading GRiB files with NCTOOLBOX
Greetings,
I use MATLAB 2013a on a Windows 7 platform and am having trouble reading GRiB files with the NCTOOLBOX package (downloaded from https://github.com/nctoolbox/nctoolbox). The package reads netcdf fine….but gives a whole slew of errors for GRiB (yes I verified the GRiB was good).
My question is……is anyone having trouble reading GRiB on Windows platforms? If not, what are you using to read the data?Greetings,
I use MATLAB 2013a on a Windows 7 platform and am having trouble reading GRiB files with the NCTOOLBOX package (downloaded from https://github.com/nctoolbox/nctoolbox). The package reads netcdf fine….but gives a whole slew of errors for GRiB (yes I verified the GRiB was good).
My question is……is anyone having trouble reading GRiB on Windows platforms? If not, what are you using to read the data? Greetings,
I use MATLAB 2013a on a Windows 7 platform and am having trouble reading GRiB files with the NCTOOLBOX package (downloaded from https://github.com/nctoolbox/nctoolbox). The package reads netcdf fine….but gives a whole slew of errors for GRiB (yes I verified the GRiB was good).
My question is……is anyone having trouble reading GRiB on Windows platforms? If not, what are you using to read the data? read grib, windows MATLAB Answers — New Questions
what the logarithm of 85.64/5.946
please can youanswer te quesustionplease can youanswer te quesustion please can youanswer te quesustion please answer MATLAB Answers — New Questions
Problems with reward generation in reinforcement learning simulation
Hi everyone,
I am currently running a reinforcement learning model, integrated with simevents blocks in simulink. I have both a reinforcement learning script and the RL agent present in the simulink. Currently my reward function works based on a matlab function block that is connected to the reward input of RL agent block. I am facing an issue of constant reward generated throughout the entire episodes of RL iteration. Any ideas why? Because I try to assign the reward function (code below) as simple as possible, extract values from the entities of simevents, to generate values that are supposed to be different with each iteration.
function r = w(u1, u2, u3) %#codegen
% Extract Entities
FH = u1 + 1;
Cost = u2 + 1;
Downtime = u3 + 1;
% Reward calculation based on values
r = (Downtime/Cost) * FH;
end
There seems to be a problem as well because this reward area is red, eventhough the simulation runs normally.
I uploaded my model and a screenshot of the RL training result of the reward. If you are interested to replicate my results here are the steps:
Run script A.mlx to generate random number set A
Run script B.mlx to generate random number set B
Run MainScript.mlx to run the simulation
Thank you so much in advance! Let me know should you require any further information.
Best,
Aaron.Hi everyone,
I am currently running a reinforcement learning model, integrated with simevents blocks in simulink. I have both a reinforcement learning script and the RL agent present in the simulink. Currently my reward function works based on a matlab function block that is connected to the reward input of RL agent block. I am facing an issue of constant reward generated throughout the entire episodes of RL iteration. Any ideas why? Because I try to assign the reward function (code below) as simple as possible, extract values from the entities of simevents, to generate values that are supposed to be different with each iteration.
function r = w(u1, u2, u3) %#codegen
% Extract Entities
FH = u1 + 1;
Cost = u2 + 1;
Downtime = u3 + 1;
% Reward calculation based on values
r = (Downtime/Cost) * FH;
end
There seems to be a problem as well because this reward area is red, eventhough the simulation runs normally.
I uploaded my model and a screenshot of the RL training result of the reward. If you are interested to replicate my results here are the steps:
Run script A.mlx to generate random number set A
Run script B.mlx to generate random number set B
Run MainScript.mlx to run the simulation
Thank you so much in advance! Let me know should you require any further information.
Best,
Aaron. Hi everyone,
I am currently running a reinforcement learning model, integrated with simevents blocks in simulink. I have both a reinforcement learning script and the RL agent present in the simulink. Currently my reward function works based on a matlab function block that is connected to the reward input of RL agent block. I am facing an issue of constant reward generated throughout the entire episodes of RL iteration. Any ideas why? Because I try to assign the reward function (code below) as simple as possible, extract values from the entities of simevents, to generate values that are supposed to be different with each iteration.
function r = w(u1, u2, u3) %#codegen
% Extract Entities
FH = u1 + 1;
Cost = u2 + 1;
Downtime = u3 + 1;
% Reward calculation based on values
r = (Downtime/Cost) * FH;
end
There seems to be a problem as well because this reward area is red, eventhough the simulation runs normally.
I uploaded my model and a screenshot of the RL training result of the reward. If you are interested to replicate my results here are the steps:
Run script A.mlx to generate random number set A
Run script B.mlx to generate random number set B
Run MainScript.mlx to run the simulation
Thank you so much in advance! Let me know should you require any further information.
Best,
Aaron. matlab, simulink, matlab function MATLAB Answers — New Questions
How to create a initialize function for a custom layer where the learnable parameters have same size of input?
I want to form a initialize function inside a custom layer where the learnable parameters have same size as the unknown input size. Is it possible? I understood from Define Custom Deep Learning Layer with Learnable Parameters – MATLAB & Simulink – MathWorks India that this can be acquired by utilizing networkDataLayout objects. For instance while creating the deep learning network matlab will analyze the network by using input having a batch size ‘1’ and later on training it will change based on the batch size that we provide in the training options. Is there any way to initialize the custom layer in that way?I want to form a initialize function inside a custom layer where the learnable parameters have same size as the unknown input size. Is it possible? I understood from Define Custom Deep Learning Layer with Learnable Parameters – MATLAB & Simulink – MathWorks India that this can be acquired by utilizing networkDataLayout objects. For instance while creating the deep learning network matlab will analyze the network by using input having a batch size ‘1’ and later on training it will change based on the batch size that we provide in the training options. Is there any way to initialize the custom layer in that way? I want to form a initialize function inside a custom layer where the learnable parameters have same size as the unknown input size. Is it possible? I understood from Define Custom Deep Learning Layer with Learnable Parameters – MATLAB & Simulink – MathWorks India that this can be acquired by utilizing networkDataLayout objects. For instance while creating the deep learning network matlab will analyze the network by using input having a batch size ‘1’ and later on training it will change based on the batch size that we provide in the training options. Is there any way to initialize the custom layer in that way? signal processing, digital signal processing, image processing, digital image processing, deep learning, machine learning, matlab, matlab gui, matrix manipulation, matrix MATLAB Answers — New Questions
moving median with variable window
Is there any way how to effectively generalize movmedian function to work with variable window length or local variable k-point median values, where k is vector with the same length as length of input vector (lenght(x) = lenght(k))?
Example:
x = 1:6
k = 2,3,3,5,3,2
M = movmedian_vk(x,k)
M = 1, 2, 3, 4, 5, 5.5
My naive solution looks like:
function M = movmedian_vk(x,k)
if length(k) ~= length(x)
error(‘Incomaptible input data’)
end
M = zeros(size(x));
[uk,~,ck] = unique(k);
for i = 1:length(uk)
M_i = movmedian(x,uk(i));
I_i = (ck == i);
M(I_i) = M_i(I_i);
end
endIs there any way how to effectively generalize movmedian function to work with variable window length or local variable k-point median values, where k is vector with the same length as length of input vector (lenght(x) = lenght(k))?
Example:
x = 1:6
k = 2,3,3,5,3,2
M = movmedian_vk(x,k)
M = 1, 2, 3, 4, 5, 5.5
My naive solution looks like:
function M = movmedian_vk(x,k)
if length(k) ~= length(x)
error(‘Incomaptible input data’)
end
M = zeros(size(x));
[uk,~,ck] = unique(k);
for i = 1:length(uk)
M_i = movmedian(x,uk(i));
I_i = (ck == i);
M(I_i) = M_i(I_i);
end
end Is there any way how to effectively generalize movmedian function to work with variable window length or local variable k-point median values, where k is vector with the same length as length of input vector (lenght(x) = lenght(k))?
Example:
x = 1:6
k = 2,3,3,5,3,2
M = movmedian_vk(x,k)
M = 1, 2, 3, 4, 5, 5.5
My naive solution looks like:
function M = movmedian_vk(x,k)
if length(k) ~= length(x)
error(‘Incomaptible input data’)
end
M = zeros(size(x));
[uk,~,ck] = unique(k);
for i = 1:length(uk)
M_i = movmedian(x,uk(i));
I_i = (ck == i);
M(I_i) = M_i(I_i);
end
end moving, median MATLAB Answers — New Questions
Simulink Desktop Real-Time Kernel error: Maximum supported number of timers exceeded?
Hi all,
I’m using the Simulink Desktop Real-Time toolbox in MATLAB 2024a Update 6.
I’m on Windows 10 with Hyper-V and High Precision Event Timer enabled.
I’m reading and writing quite a lot (100+) of CAN and CAN-FD frames using the Packet Input and Packet Output blocks.
I’m using both the ‘Connected IO’ and ‘Run in Kernel’ modes depending on my needs: ‘Connected IO’ allows more interactivity whereas ‘Run in Kernel’ guarantees real-time performance.
I used to use CAN FD Receive and CAN FD Transmit blocks from the Vehicle Network toolbox, which I prefered because they allowed me to receive and send multiple CAN(FD) frames with a single block. But unfortunately they’re not compatible with the ‘Run in Kernel’ mode (see this answer).
My issue is that I have so many Packet Input and Packet Output blocks, that I get this error in ‘Connected IO’ mode :
Error reported by S-function ‘sldrtsync’:
Maximum supported number of timers exceeded.
What is the maximum number of timers allowed?
Is there a way to increase this number (in the toolbox options maybe?), or is it hard-coded in the real-time kernel?
What would be the alternatives to send/receive many CAN(FD) frames in ‘Connected IO’ mode ?
Thank youHi all,
I’m using the Simulink Desktop Real-Time toolbox in MATLAB 2024a Update 6.
I’m on Windows 10 with Hyper-V and High Precision Event Timer enabled.
I’m reading and writing quite a lot (100+) of CAN and CAN-FD frames using the Packet Input and Packet Output blocks.
I’m using both the ‘Connected IO’ and ‘Run in Kernel’ modes depending on my needs: ‘Connected IO’ allows more interactivity whereas ‘Run in Kernel’ guarantees real-time performance.
I used to use CAN FD Receive and CAN FD Transmit blocks from the Vehicle Network toolbox, which I prefered because they allowed me to receive and send multiple CAN(FD) frames with a single block. But unfortunately they’re not compatible with the ‘Run in Kernel’ mode (see this answer).
My issue is that I have so many Packet Input and Packet Output blocks, that I get this error in ‘Connected IO’ mode :
Error reported by S-function ‘sldrtsync’:
Maximum supported number of timers exceeded.
What is the maximum number of timers allowed?
Is there a way to increase this number (in the toolbox options maybe?), or is it hard-coded in the real-time kernel?
What would be the alternatives to send/receive many CAN(FD) frames in ‘Connected IO’ mode ?
Thank you Hi all,
I’m using the Simulink Desktop Real-Time toolbox in MATLAB 2024a Update 6.
I’m on Windows 10 with Hyper-V and High Precision Event Timer enabled.
I’m reading and writing quite a lot (100+) of CAN and CAN-FD frames using the Packet Input and Packet Output blocks.
I’m using both the ‘Connected IO’ and ‘Run in Kernel’ modes depending on my needs: ‘Connected IO’ allows more interactivity whereas ‘Run in Kernel’ guarantees real-time performance.
I used to use CAN FD Receive and CAN FD Transmit blocks from the Vehicle Network toolbox, which I prefered because they allowed me to receive and send multiple CAN(FD) frames with a single block. But unfortunately they’re not compatible with the ‘Run in Kernel’ mode (see this answer).
My issue is that I have so many Packet Input and Packet Output blocks, that I get this error in ‘Connected IO’ mode :
Error reported by S-function ‘sldrtsync’:
Maximum supported number of timers exceeded.
What is the maximum number of timers allowed?
Is there a way to increase this number (in the toolbox options maybe?), or is it hard-coded in the real-time kernel?
What would be the alternatives to send/receive many CAN(FD) frames in ‘Connected IO’ mode ?
Thank you can, sldrt MATLAB Answers — New Questions
Creating a standalone .exe of an .m file that calls a simulink model
Hi,
I have a .m file that controls a gui. A slider in the gui is used as input for a simulink model. My goal is to create a standalone of this whole application, that runs on a PC where neither Matlab nor Simulink are installed.
My approach so far is to generate a standalone .exe out of the simulink model, modify the .m script to pass the input values to this .exe and get the output values, and then generate a .exe out of the .m script.
I have several questions on how to do this:
# Is this the correct approach or would it be better to create a dll out of the simulink model?
# If this is the way to go, which target in the code generation allows the easiest passing of values to the simulink model .exe? I found three different options: ert_shrlib (host based shared library), grt (Generic Realtime Target) and rsim (Rapid Simulation Target). Which of these should I use?
# Are there any step-by-step instructions on how to accomplish this? Or even examples of a similar project?
Thanks you very much!Hi,
I have a .m file that controls a gui. A slider in the gui is used as input for a simulink model. My goal is to create a standalone of this whole application, that runs on a PC where neither Matlab nor Simulink are installed.
My approach so far is to generate a standalone .exe out of the simulink model, modify the .m script to pass the input values to this .exe and get the output values, and then generate a .exe out of the .m script.
I have several questions on how to do this:
# Is this the correct approach or would it be better to create a dll out of the simulink model?
# If this is the way to go, which target in the code generation allows the easiest passing of values to the simulink model .exe? I found three different options: ert_shrlib (host based shared library), grt (Generic Realtime Target) and rsim (Rapid Simulation Target). Which of these should I use?
# Are there any step-by-step instructions on how to accomplish this? Or even examples of a similar project?
Thanks you very much! Hi,
I have a .m file that controls a gui. A slider in the gui is used as input for a simulink model. My goal is to create a standalone of this whole application, that runs on a PC where neither Matlab nor Simulink are installed.
My approach so far is to generate a standalone .exe out of the simulink model, modify the .m script to pass the input values to this .exe and get the output values, and then generate a .exe out of the .m script.
I have several questions on how to do this:
# Is this the correct approach or would it be better to create a dll out of the simulink model?
# If this is the way to go, which target in the code generation allows the easiest passing of values to the simulink model .exe? I found three different options: ert_shrlib (host based shared library), grt (Generic Realtime Target) and rsim (Rapid Simulation Target). Which of these should I use?
# Are there any step-by-step instructions on how to accomplish this? Or even examples of a similar project?
Thanks you very much! simulink, matlab MATLAB Answers — New Questions
CORRECT THE FOLLOWING MATLAB SCRIPT, error in =untitled3 (line 8) / sys = ss(A, B, C, D); ???
% Definisikan matriks G
G = [
1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0;
0 0 0 0 1 1 1 1 0 0 0 0 0 0 0 0;
0 0 0 0 0 0 1 1 1 1 0 0 0 0 0 0;
0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1;
1 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1;
0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 0;
0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0;
0 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1;
];
% Misalkan A, B, C, D adalah matriks untuk sistem ruang keadaan
A = eye(8); % Matriks A identitas ukuran 8×8
B = ones(8, 1); % Matriks B ukuran 8×1 dengan semua elemen 1
C = G; % Menggunakan G sebagai matriks C
D = zeros(size(C, 1), size(B, 2)); % Matriks D ukuran (8×1)
% Buat model ruang keadaan
sys = ss(A, B, C, D); % Buat model ruang keadaan
% Analisis sistem
figure; % Membuat figure baru untuk plot
step(sys); % Analisis respons langkah
title(‘Respons Langkah Sistem Ruang Keadaan’); % Tambahkan judul
grid on; % Tambahkan grid untuk memperjelas plot% Definisikan matriks G
G = [
1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0;
0 0 0 0 1 1 1 1 0 0 0 0 0 0 0 0;
0 0 0 0 0 0 1 1 1 1 0 0 0 0 0 0;
0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1;
1 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1;
0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 0;
0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0;
0 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1;
];
% Misalkan A, B, C, D adalah matriks untuk sistem ruang keadaan
A = eye(8); % Matriks A identitas ukuran 8×8
B = ones(8, 1); % Matriks B ukuran 8×1 dengan semua elemen 1
C = G; % Menggunakan G sebagai matriks C
D = zeros(size(C, 1), size(B, 2)); % Matriks D ukuran (8×1)
% Buat model ruang keadaan
sys = ss(A, B, C, D); % Buat model ruang keadaan
% Analisis sistem
figure; % Membuat figure baru untuk plot
step(sys); % Analisis respons langkah
title(‘Respons Langkah Sistem Ruang Keadaan’); % Tambahkan judul
grid on; % Tambahkan grid untuk memperjelas plot % Definisikan matriks G
G = [
1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0;
0 0 0 0 1 1 1 1 0 0 0 0 0 0 0 0;
0 0 0 0 0 0 1 1 1 1 0 0 0 0 0 0;
0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1;
1 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1;
0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 0;
0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0;
0 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1;
];
% Misalkan A, B, C, D adalah matriks untuk sistem ruang keadaan
A = eye(8); % Matriks A identitas ukuran 8×8
B = ones(8, 1); % Matriks B ukuran 8×1 dengan semua elemen 1
C = G; % Menggunakan G sebagai matriks C
D = zeros(size(C, 1), size(B, 2)); % Matriks D ukuran (8×1)
% Buat model ruang keadaan
sys = ss(A, B, C, D); % Buat model ruang keadaan
% Analisis sistem
figure; % Membuat figure baru untuk plot
step(sys); % Analisis respons langkah
title(‘Respons Langkah Sistem Ruang Keadaan’); % Tambahkan judul
grid on; % Tambahkan grid untuk memperjelas plot #help MATLAB Answers — New Questions
Not able to see where the index is going past 5
load(‘Motor_Data.mat’);
fprintf(‘Available motors:n’);
for i = 1:length(Names)
fprintf(‘%d: %sn’, i, Names(i));
end
motor_index = input(‘Select a motor by entering its number: ‘);
mass = input(‘Enter the mass to be lifted (in kg): ‘);
height = input(‘Enter the height to lift the mass (in meters): ‘);
%Says this is where it errors
motor_name = Names(motor_index);
power = Specs(1, motor_index);
efficiency = Specs(2, motor_index);
% Calculate output power
efficiency_decimal = efficiency / 100;
output_power = efficiency_decimal * power;
g = 9.81;
energy_required = mass * g * height;
time = energy_required / output_power;
fprintf(‘Motor: %sn’, motor_name);
fprintf(‘Load lifted: %.2f kgn’, mass);
fprintf(‘Height lifted: %.2f metersn’, height);
fprintf(‘Time to lift the load: %.2f secondsn’, time);
%Task 2
mass = input(‘Enter the mass to be lifted by all motors (in kg): ‘);
height = input(‘Enter the height to lift the mass by all motors (in meters): ‘);
% Initialize results matrix
num_motors = length(Names);
results = zeros(5, num_motors);
% Calculate time for each motor
g = 9.81; % Gravity constant
for i = 1:num_motors
power = Specs(1, i); % Power in watts
efficiency = Specs(2, i); % Efficiency in percentage
efficiency_decimal = efficiency / 100;
output_power = efficiency_decimal * power;
% Energy required to lift mass
energy_required = mass * g * height;
% Time to lift
time = energy_required / output_power;
% Store results: power, efficiency, mass, height, time
results(:, i) = [power; efficiency; mass; height; time];
end
% Export results to CSV file
csvwrite(‘Task2_Results.csv’, results);
% Display the matrix to verify
disp(‘Results matrix:’);
disp(results);
%Task 3
output_powers = Specs(1, 🙂 .* (Specs(2, 🙂 / 100); % Output power for each motor
times = results(5, :); % Time from the results matrix
scatter(output_powers, times, ‘filled’);
xlabel(‘Output Power (W)’);
ylabel(‘Time to Lift Load (s)’);
title(‘Motor Output Power vs. Time to Lift Load’);
grid on;load(‘Motor_Data.mat’);
fprintf(‘Available motors:n’);
for i = 1:length(Names)
fprintf(‘%d: %sn’, i, Names(i));
end
motor_index = input(‘Select a motor by entering its number: ‘);
mass = input(‘Enter the mass to be lifted (in kg): ‘);
height = input(‘Enter the height to lift the mass (in meters): ‘);
%Says this is where it errors
motor_name = Names(motor_index);
power = Specs(1, motor_index);
efficiency = Specs(2, motor_index);
% Calculate output power
efficiency_decimal = efficiency / 100;
output_power = efficiency_decimal * power;
g = 9.81;
energy_required = mass * g * height;
time = energy_required / output_power;
fprintf(‘Motor: %sn’, motor_name);
fprintf(‘Load lifted: %.2f kgn’, mass);
fprintf(‘Height lifted: %.2f metersn’, height);
fprintf(‘Time to lift the load: %.2f secondsn’, time);
%Task 2
mass = input(‘Enter the mass to be lifted by all motors (in kg): ‘);
height = input(‘Enter the height to lift the mass by all motors (in meters): ‘);
% Initialize results matrix
num_motors = length(Names);
results = zeros(5, num_motors);
% Calculate time for each motor
g = 9.81; % Gravity constant
for i = 1:num_motors
power = Specs(1, i); % Power in watts
efficiency = Specs(2, i); % Efficiency in percentage
efficiency_decimal = efficiency / 100;
output_power = efficiency_decimal * power;
% Energy required to lift mass
energy_required = mass * g * height;
% Time to lift
time = energy_required / output_power;
% Store results: power, efficiency, mass, height, time
results(:, i) = [power; efficiency; mass; height; time];
end
% Export results to CSV file
csvwrite(‘Task2_Results.csv’, results);
% Display the matrix to verify
disp(‘Results matrix:’);
disp(results);
%Task 3
output_powers = Specs(1, 🙂 .* (Specs(2, 🙂 / 100); % Output power for each motor
times = results(5, :); % Time from the results matrix
scatter(output_powers, times, ‘filled’);
xlabel(‘Output Power (W)’);
ylabel(‘Time to Lift Load (s)’);
title(‘Motor Output Power vs. Time to Lift Load’);
grid on; load(‘Motor_Data.mat’);
fprintf(‘Available motors:n’);
for i = 1:length(Names)
fprintf(‘%d: %sn’, i, Names(i));
end
motor_index = input(‘Select a motor by entering its number: ‘);
mass = input(‘Enter the mass to be lifted (in kg): ‘);
height = input(‘Enter the height to lift the mass (in meters): ‘);
%Says this is where it errors
motor_name = Names(motor_index);
power = Specs(1, motor_index);
efficiency = Specs(2, motor_index);
% Calculate output power
efficiency_decimal = efficiency / 100;
output_power = efficiency_decimal * power;
g = 9.81;
energy_required = mass * g * height;
time = energy_required / output_power;
fprintf(‘Motor: %sn’, motor_name);
fprintf(‘Load lifted: %.2f kgn’, mass);
fprintf(‘Height lifted: %.2f metersn’, height);
fprintf(‘Time to lift the load: %.2f secondsn’, time);
%Task 2
mass = input(‘Enter the mass to be lifted by all motors (in kg): ‘);
height = input(‘Enter the height to lift the mass by all motors (in meters): ‘);
% Initialize results matrix
num_motors = length(Names);
results = zeros(5, num_motors);
% Calculate time for each motor
g = 9.81; % Gravity constant
for i = 1:num_motors
power = Specs(1, i); % Power in watts
efficiency = Specs(2, i); % Efficiency in percentage
efficiency_decimal = efficiency / 100;
output_power = efficiency_decimal * power;
% Energy required to lift mass
energy_required = mass * g * height;
% Time to lift
time = energy_required / output_power;
% Store results: power, efficiency, mass, height, time
results(:, i) = [power; efficiency; mass; height; time];
end
% Export results to CSV file
csvwrite(‘Task2_Results.csv’, results);
% Display the matrix to verify
disp(‘Results matrix:’);
disp(results);
%Task 3
output_powers = Specs(1, 🙂 .* (Specs(2, 🙂 / 100); % Output power for each motor
times = results(5, :); % Time from the results matrix
scatter(output_powers, times, ‘filled’);
xlabel(‘Output Power (W)’);
ylabel(‘Time to Lift Load (s)’);
title(‘Motor Output Power vs. Time to Lift Load’);
grid on; matlab MATLAB Answers — New Questions
Eliminate Nan row in a large matrix
Hello,
I have a very large matrix where some elements are Nan.
I would like to delete the rows containing the these elements.
Example
For
A=[1 2 3; 2 4 Nan; 4 5 6; nan 9 0];
Output:
A=[1 2 3];
Any ideas?
Thank youHello,
I have a very large matrix where some elements are Nan.
I would like to delete the rows containing the these elements.
Example
For
A=[1 2 3; 2 4 Nan; 4 5 6; nan 9 0];
Output:
A=[1 2 3];
Any ideas?
Thank you Hello,
I have a very large matrix where some elements are Nan.
I would like to delete the rows containing the these elements.
Example
For
A=[1 2 3; 2 4 Nan; 4 5 6; nan 9 0];
Output:
A=[1 2 3];
Any ideas?
Thank you nan deletion MATLAB Answers — New Questions
Can’t start MatLab Onramp Course
As I’m trying to start the course it gives me an error of this kind:
HTTP ERROR 431 Request Header Fields Too Large
URI:/R2024a/portal.html?course=gettingstarted
STATUS:431
MESSAGE:Request Header Fields Too Large
Tried to fix it by clearing cache but didn’t help at all. What can I do to get the course started?As I’m trying to start the course it gives me an error of this kind:
HTTP ERROR 431 Request Header Fields Too Large
URI:/R2024a/portal.html?course=gettingstarted
STATUS:431
MESSAGE:Request Header Fields Too Large
Tried to fix it by clearing cache but didn’t help at all. What can I do to get the course started? As I’m trying to start the course it gives me an error of this kind:
HTTP ERROR 431 Request Header Fields Too Large
URI:/R2024a/portal.html?course=gettingstarted
STATUS:431
MESSAGE:Request Header Fields Too Large
Tried to fix it by clearing cache but didn’t help at all. What can I do to get the course started? course, error MATLAB Answers — New Questions
Machine learning in matlab
Can i call the matpower file in matlab using machine learning?Can i call the matpower file in matlab using machine learning? Can i call the matpower file in matlab using machine learning? matpower, machine learning MATLAB Answers — New Questions
Python Script Simulink Real Time
Good afternoon,
In Simulink you can intergrate Python script into the model, does that also work for External Mode Simulation for Simulink Real Time?
Kind regards,
DiedeGood afternoon,
In Simulink you can intergrate Python script into the model, does that also work for External Mode Simulation for Simulink Real Time?
Kind regards,
Diede Good afternoon,
In Simulink you can intergrate Python script into the model, does that also work for External Mode Simulation for Simulink Real Time?
Kind regards,
Diede python, simulink, real time, matlab MATLAB Answers — New Questions
Run Initialization for Task (5) Mask creation
I need to ensure that the string is up to date by running the mask initialization commands I wrote in the previous task. However, I’m unable to find a way to do this or the code to run the initialization. The attached images provides additional context.
Could you please guide me through the process or help with the necessary code?
How can I run the initialization so that the label on the mask display is Kp=50 and Ki=50 just like the codes in the second image.I need to ensure that the string is up to date by running the mask initialization commands I wrote in the previous task. However, I’m unable to find a way to do this or the code to run the initialization. The attached images provides additional context.
Could you please guide me through the process or help with the necessary code?
How can I run the initialization so that the label on the mask display is Kp=50 and Ki=50 just like the codes in the second image. I need to ensure that the string is up to date by running the mask initialization commands I wrote in the previous task. However, I’m unable to find a way to do this or the code to run the initialization. The attached images provides additional context.
Could you please guide me through the process or help with the necessary code?
How can I run the initialization so that the label on the mask display is Kp=50 and Ki=50 just like the codes in the second image. mask editor, run initialization MATLAB Answers — New Questions
py.importlib.import_module(‘gplearn’) ？？？
gplearn = py.importlib.import_module(‘gplearn’);
sklearn = py.importlib.import_module(‘sklearn’);
why they are different？？？gplearn = py.importlib.import_module(‘gplearn’);
sklearn = py.importlib.import_module(‘sklearn’);
why they are different？？？ gplearn = py.importlib.import_module(‘gplearn’);
sklearn = py.importlib.import_module(‘sklearn’);
why they are different？？？ python MATLAB Answers — New Questions
