Category: Matlab
Category Archives: Matlab
Encoding conditional assignments in SimBiology
Is it possible to define conditional assignments in SimBiology, i.e.
if a > 0
param1 = a + b
else
param1 = a + c
end
I am aware of events but it is insuffient as it lacks the ‘else’ expression.Is it possible to define conditional assignments in SimBiology, i.e.
if a > 0
param1 = a + b
else
param1 = a + c
end
I am aware of events but it is insuffient as it lacks the ‘else’ expression. Is it possible to define conditional assignments in SimBiology, i.e.
if a > 0
param1 = a + b
else
param1 = a + c
end
I am aware of events but it is insuffient as it lacks the ‘else’ expression. conditional, assignment MATLAB Answers — New Questions
Genetic Algorithm with a graph
function C = Myfunm(x)
C = – (14.9*100)/(x(1)^2-11.9723*x(1)+70.0051+10*cos((pi*x(1))/2)+8*sin(5*pi*x(1))-(exp(-((x(2)-0.5)^2)/2))/sqrt(5));
I solved this problem with the Genetic Algorithm and i want to present the graph which depicts the max solution depending on the number of generations. I don’t know how to plot the graph. Is there a certain tool or do i have to write a new code?function C = Myfunm(x)
C = – (14.9*100)/(x(1)^2-11.9723*x(1)+70.0051+10*cos((pi*x(1))/2)+8*sin(5*pi*x(1))-(exp(-((x(2)-0.5)^2)/2))/sqrt(5));
I solved this problem with the Genetic Algorithm and i want to present the graph which depicts the max solution depending on the number of generations. I don’t know how to plot the graph. Is there a certain tool or do i have to write a new code? function C = Myfunm(x)
C = – (14.9*100)/(x(1)^2-11.9723*x(1)+70.0051+10*cos((pi*x(1))/2)+8*sin(5*pi*x(1))-(exp(-((x(2)-0.5)^2)/2))/sqrt(5));
I solved this problem with the Genetic Algorithm and i want to present the graph which depicts the max solution depending on the number of generations. I don’t know how to plot the graph. Is there a certain tool or do i have to write a new code? maximazitaion, genetic algorithm MATLAB Answers — New Questions
how to perform matrix multiplication of a 4×4 and 4×11 matrices in simulink?
having trouble preforming a matrix multiplicationhaving trouble preforming a matrix multiplication having trouble preforming a matrix multiplication matrix multiplication MATLAB Answers — New Questions
How to convert from a function of frames to a function of time for radar board (Infineon Position2Go)?
Hi Matlab Community,
I am currently using Infineon’s Position2Go FMCW radar board for my project to measure instantaneous sprinting speed and walking speed. After extracting the raw data to Matlab, I noticed that the graphs I have are all as a function of Frames on the X axis. How can I convert them to a function of time (in seconds) instead?
My configs are as follows:
32 Chirps Per Frame
64 Samples Per Chirp
150ms Frame Interval
Does it mean that for every second, there are 6.66 Frames(1/150ms) ?Hi Matlab Community,
I am currently using Infineon’s Position2Go FMCW radar board for my project to measure instantaneous sprinting speed and walking speed. After extracting the raw data to Matlab, I noticed that the graphs I have are all as a function of Frames on the X axis. How can I convert them to a function of time (in seconds) instead?
My configs are as follows:
32 Chirps Per Frame
64 Samples Per Chirp
150ms Frame Interval
Does it mean that for every second, there are 6.66 Frames(1/150ms) ? Hi Matlab Community,
I am currently using Infineon’s Position2Go FMCW radar board for my project to measure instantaneous sprinting speed and walking speed. After extracting the raw data to Matlab, I noticed that the graphs I have are all as a function of Frames on the X axis. How can I convert them to a function of time (in seconds) instead?
My configs are as follows:
32 Chirps Per Frame
64 Samples Per Chirp
150ms Frame Interval
Does it mean that for every second, there are 6.66 Frames(1/150ms) ? infineon position2go frames seconds MATLAB Answers — New Questions
App running slowly after some time
I have an app that I built in MATLAB, a rather complex app with many complex features. I noticed that over time, the app becomes laggy and slow, with every graphical action taking more time than before. Is there a solution to this? or at least a way to understand why this happens?
many thanks
NathanI have an app that I built in MATLAB, a rather complex app with many complex features. I noticed that over time, the app becomes laggy and slow, with every graphical action taking more time than before. Is there a solution to this? or at least a way to understand why this happens?
many thanks
Nathan I have an app that I built in MATLAB, a rather complex app with many complex features. I noticed that over time, the app becomes laggy and slow, with every graphical action taking more time than before. Is there a solution to this? or at least a way to understand why this happens?
many thanks
Nathan app designer, appdesigner, lags, slow MATLAB Answers — New Questions
How to write StateFcn in Nonlinear MPC Controller
Nowdays, I am doing some works about visual servoing. But there are some troubles with the nonlinear MPC Controller. I have read the example named ‘Control Quadruple-Tank Using Passivity-Based Nonlinear MPC’. There is a code nlobj.Model.StateFcn = "stateFcnQuadrupleTank".
I opened it, and the content shows as a picture as follows. It looks like the example uses code to express the dynamic system. I want to know if I can use a Simulink model, which is already done, to replace the code.
Thank a lot for your help!Nowdays, I am doing some works about visual servoing. But there are some troubles with the nonlinear MPC Controller. I have read the example named ‘Control Quadruple-Tank Using Passivity-Based Nonlinear MPC’. There is a code nlobj.Model.StateFcn = "stateFcnQuadrupleTank".
I opened it, and the content shows as a picture as follows. It looks like the example uses code to express the dynamic system. I want to know if I can use a Simulink model, which is already done, to replace the code.
Thank a lot for your help! Nowdays, I am doing some works about visual servoing. But there are some troubles with the nonlinear MPC Controller. I have read the example named ‘Control Quadruple-Tank Using Passivity-Based Nonlinear MPC’. There is a code nlobj.Model.StateFcn = "stateFcnQuadrupleTank".
I opened it, and the content shows as a picture as follows. It looks like the example uses code to express the dynamic system. I want to know if I can use a Simulink model, which is already done, to replace the code.
Thank a lot for your help! mpc, ibvs MATLAB Answers — New Questions
Is this a correct way to use fsolve?
Since fsolve keeps giving me answers with a very small but non-zero imaginary part, which i really don’t want, I though about giving the derivative of my function. Is this a correct way to do it? Also, is there a way to tell the function not to go outside the reale line?
%g is a function that is defined by an equation. I know that is invertible
%and takes values between 0 and kappa.
function g = g(y, z, p, kappa, beta, mu, muz, sigma, sigmaz)
K = (mu^2/sigma^2)*0.5;
M = (sigmaz*mu)/sigma;
q = 1/(p-1);
alpha = (sqrt((beta-M-K)^2+4*K*(beta-muz))-beta+M+K)/(2*K);
C = beta-K*p/(1-p);
%function whose zero i need to find (with respect to w)
F = @(w) ((1-p)/C)*(kappa^q – w^q)+y+z-z*(w/kappa)^(alpha-1);
%its derivative with respect to w
J = @(w) ((1-p)/C)*(-q*(w^(q-1))) -z*((alpha-1)*w^(alpha-2))/(kappa^(alpha-1));
options = optimoptions(‘fsolve’, ‘SpecifyObjectiveGradient’, true);
fun = {F, J};
w0 = kappa/2;
g = fsolve(fun, w0, options);
endSince fsolve keeps giving me answers with a very small but non-zero imaginary part, which i really don’t want, I though about giving the derivative of my function. Is this a correct way to do it? Also, is there a way to tell the function not to go outside the reale line?
%g is a function that is defined by an equation. I know that is invertible
%and takes values between 0 and kappa.
function g = g(y, z, p, kappa, beta, mu, muz, sigma, sigmaz)
K = (mu^2/sigma^2)*0.5;
M = (sigmaz*mu)/sigma;
q = 1/(p-1);
alpha = (sqrt((beta-M-K)^2+4*K*(beta-muz))-beta+M+K)/(2*K);
C = beta-K*p/(1-p);
%function whose zero i need to find (with respect to w)
F = @(w) ((1-p)/C)*(kappa^q – w^q)+y+z-z*(w/kappa)^(alpha-1);
%its derivative with respect to w
J = @(w) ((1-p)/C)*(-q*(w^(q-1))) -z*((alpha-1)*w^(alpha-2))/(kappa^(alpha-1));
options = optimoptions(‘fsolve’, ‘SpecifyObjectiveGradient’, true);
fun = {F, J};
w0 = kappa/2;
g = fsolve(fun, w0, options);
end Since fsolve keeps giving me answers with a very small but non-zero imaginary part, which i really don’t want, I though about giving the derivative of my function. Is this a correct way to do it? Also, is there a way to tell the function not to go outside the reale line?
%g is a function that is defined by an equation. I know that is invertible
%and takes values between 0 and kappa.
function g = g(y, z, p, kappa, beta, mu, muz, sigma, sigmaz)
K = (mu^2/sigma^2)*0.5;
M = (sigmaz*mu)/sigma;
q = 1/(p-1);
alpha = (sqrt((beta-M-K)^2+4*K*(beta-muz))-beta+M+K)/(2*K);
C = beta-K*p/(1-p);
%function whose zero i need to find (with respect to w)
F = @(w) ((1-p)/C)*(kappa^q – w^q)+y+z-z*(w/kappa)^(alpha-1);
%its derivative with respect to w
J = @(w) ((1-p)/C)*(-q*(w^(q-1))) -z*((alpha-1)*w^(alpha-2))/(kappa^(alpha-1));
options = optimoptions(‘fsolve’, ‘SpecifyObjectiveGradient’, true);
fun = {F, J};
w0 = kappa/2;
g = fsolve(fun, w0, options);
end fsolve, complex values, jacobian MATLAB Answers — New Questions
How chromosome in Genetic Algorithms Toolbox works in detailed
Hello,
I need answers about constitution of the chromosomes, their length, coding of chromosome in detail, crossover and mutation process. Generally, how it works in detailed Maybe on example or code please. In GA toolbox documentation does not specify how the GA determines the length of the chromosome and encodes variable???
Thanks
RadekHello,
I need answers about constitution of the chromosomes, their length, coding of chromosome in detail, crossover and mutation process. Generally, how it works in detailed Maybe on example or code please. In GA toolbox documentation does not specify how the GA determines the length of the chromosome and encodes variable???
Thanks
Radek Hello,
I need answers about constitution of the chromosomes, their length, coding of chromosome in detail, crossover and mutation process. Generally, how it works in detailed Maybe on example or code please. In GA toolbox documentation does not specify how the GA determines the length of the chromosome and encodes variable???
Thanks
Radek genetic algorithm, chromosome MATLAB Answers — New Questions
Complete list of all warnings the function mkdir may throw
The function mkdir may return a warning. Is there somewhere a complete list of all the warnings this function may throw?The function mkdir may return a warning. Is there somewhere a complete list of all the warnings this function may throw? The function mkdir may return a warning. Is there somewhere a complete list of all the warnings this function may throw? matlab function MATLAB Answers — New Questions
How to show latex by override `disp` in classdef?
classdef Myclass
properties
R;
end
methods
function obj = PointGroupElement(R)
obj.R = R;
end
function disp(obj)
symMatrixStr = symmatrix(‘R(1/3,[0,0,1])’);
disp(symMatrixStr);
end
end
end
When I run this class in live editor, I expect return or show latex form R(1/3,[0,0,1]) rather that str ‘R(1/3,[0,0,1])’, and i also know, it will return latex form when i run symMatrixStr = symmatrix(‘R(1/3,[0,0,1])’) in live editor. So, what should i do to override disp so that the class outputs the latex form?classdef Myclass
properties
R;
end
methods
function obj = PointGroupElement(R)
obj.R = R;
end
function disp(obj)
symMatrixStr = symmatrix(‘R(1/3,[0,0,1])’);
disp(symMatrixStr);
end
end
end
When I run this class in live editor, I expect return or show latex form R(1/3,[0,0,1]) rather that str ‘R(1/3,[0,0,1])’, and i also know, it will return latex form when i run symMatrixStr = symmatrix(‘R(1/3,[0,0,1])’) in live editor. So, what should i do to override disp so that the class outputs the latex form? classdef Myclass
properties
R;
end
methods
function obj = PointGroupElement(R)
obj.R = R;
end
function disp(obj)
symMatrixStr = symmatrix(‘R(1/3,[0,0,1])’);
disp(symMatrixStr);
end
end
end
When I run this class in live editor, I expect return or show latex form R(1/3,[0,0,1]) rather that str ‘R(1/3,[0,0,1])’, and i also know, it will return latex form when i run symMatrixStr = symmatrix(‘R(1/3,[0,0,1])’) in live editor. So, what should i do to override disp so that the class outputs the latex form? latex, display, class MATLAB Answers — New Questions
Model Advisor Configuration Editor for Simulink Checks refuses to save the configuration
Hello,
I am currently trying to fix a json configuration file for Model Advisor on R2023a version.
When I load the json configuration file, the editor says that "there are sone issues in the selected configuration file. Do you want to Auto-fix?"
For sure, I answer "Yes, please fix it". The Editor does its job and displays a Validation summary with some checks which are updated and some other checks which are deleted.
OK let’s go on.
But in the Model Adivor tab, there are still some chekcs which are invalid although they appeared as updated in the "Validation Summary" previous window ! WTF ?
Don’t worry, the editor proposes to fix it again, so let’s fix it again !
OK now there is no more checks marked as incorrect, I can save my updated configuration file now…
Damned, when I try to save it, the editor says "There are sone issues in the selected configuration file. please validate the configuration before saving".
It would have been fine if the editor could tell me which issues does problem but I guess it is too much for MATLAB.
And unfortunately the "Validate" icon is greyed and I can not trigger the validation. So I can not update my configuration file, what a pity !
Does someone know how to proceed for the upgrade of my configurarion file ?
thank you for your attention.Hello,
I am currently trying to fix a json configuration file for Model Advisor on R2023a version.
When I load the json configuration file, the editor says that "there are sone issues in the selected configuration file. Do you want to Auto-fix?"
For sure, I answer "Yes, please fix it". The Editor does its job and displays a Validation summary with some checks which are updated and some other checks which are deleted.
OK let’s go on.
But in the Model Adivor tab, there are still some chekcs which are invalid although they appeared as updated in the "Validation Summary" previous window ! WTF ?
Don’t worry, the editor proposes to fix it again, so let’s fix it again !
OK now there is no more checks marked as incorrect, I can save my updated configuration file now…
Damned, when I try to save it, the editor says "There are sone issues in the selected configuration file. please validate the configuration before saving".
It would have been fine if the editor could tell me which issues does problem but I guess it is too much for MATLAB.
And unfortunately the "Validate" icon is greyed and I can not trigger the validation. So I can not update my configuration file, what a pity !
Does someone know how to proceed for the upgrade of my configurarion file ?
thank you for your attention. Hello,
I am currently trying to fix a json configuration file for Model Advisor on R2023a version.
When I load the json configuration file, the editor says that "there are sone issues in the selected configuration file. Do you want to Auto-fix?"
For sure, I answer "Yes, please fix it". The Editor does its job and displays a Validation summary with some checks which are updated and some other checks which are deleted.
OK let’s go on.
But in the Model Adivor tab, there are still some chekcs which are invalid although they appeared as updated in the "Validation Summary" previous window ! WTF ?
Don’t worry, the editor proposes to fix it again, so let’s fix it again !
OK now there is no more checks marked as incorrect, I can save my updated configuration file now…
Damned, when I try to save it, the editor says "There are sone issues in the selected configuration file. please validate the configuration before saving".
It would have been fine if the editor could tell me which issues does problem but I guess it is too much for MATLAB.
And unfortunately the "Validate" icon is greyed and I can not trigger the validation. So I can not update my configuration file, what a pity !
Does someone know how to proceed for the upgrade of my configurarion file ?
thank you for your attention. simulink checks, model advisor MATLAB Answers — New Questions
Adalm Pluto (Software Defined Radio) to Mobile Android Communication
I need to establish a mode of communication using BLE, from Android mobile device to an Adalm Pluto, where any of those could be the central and the peripheral device, i.e., advertising and receiving.
I got to know there Simulink Support Package for Android which has BLEScan and BLESend blocks, and there’s also the Simulink Support Package for Adalm Pluto which has its own transmitter and receiver blocks.
i was wondering if I could have a Matlab App for the mobile device and a Simulink Model for the SDR device, which would help me communicate some custom data.I need to establish a mode of communication using BLE, from Android mobile device to an Adalm Pluto, where any of those could be the central and the peripheral device, i.e., advertising and receiving.
I got to know there Simulink Support Package for Android which has BLEScan and BLESend blocks, and there’s also the Simulink Support Package for Adalm Pluto which has its own transmitter and receiver blocks.
i was wondering if I could have a Matlab App for the mobile device and a Simulink Model for the SDR device, which would help me communicate some custom data. I need to establish a mode of communication using BLE, from Android mobile device to an Adalm Pluto, where any of those could be the central and the peripheral device, i.e., advertising and receiving.
I got to know there Simulink Support Package for Android which has BLEScan and BLESend blocks, and there’s also the Simulink Support Package for Adalm Pluto which has its own transmitter and receiver blocks.
i was wondering if I could have a Matlab App for the mobile device and a Simulink Model for the SDR device, which would help me communicate some custom data. bluetooth low energy, android, sdr, simulink MATLAB Answers — New Questions
Save an intensity image created with imagesc with true resolution
Hello,
I have a pixel array 2560*2160 with intensity values from 0 to 5070 and I want just an image file (with the true resolution of 2560*2160)(bmp,png,jpg, whatever) with a nice display of this array.
I can get a good image with:
imagesc(data,’CDataMapping’,’scaled’);
but I fail to save the outputed image in true resolution.
Saveas and print don’t work because it gets really messy with dpi and papersize.
The only thing close to what I want is by using:
data=data/5070;
imwrite(data, ‘filename.png’)
but then my image is of course only in grayscale, because the colormap is wrong.
I think there is a way using parula and get the right colormap from the image created with imagesc, but I just cant figure out how to combine this with imwrite.
Thanks for your help!Hello,
I have a pixel array 2560*2160 with intensity values from 0 to 5070 and I want just an image file (with the true resolution of 2560*2160)(bmp,png,jpg, whatever) with a nice display of this array.
I can get a good image with:
imagesc(data,’CDataMapping’,’scaled’);
but I fail to save the outputed image in true resolution.
Saveas and print don’t work because it gets really messy with dpi and papersize.
The only thing close to what I want is by using:
data=data/5070;
imwrite(data, ‘filename.png’)
but then my image is of course only in grayscale, because the colormap is wrong.
I think there is a way using parula and get the right colormap from the image created with imagesc, but I just cant figure out how to combine this with imwrite.
Thanks for your help! Hello,
I have a pixel array 2560*2160 with intensity values from 0 to 5070 and I want just an image file (with the true resolution of 2560*2160)(bmp,png,jpg, whatever) with a nice display of this array.
I can get a good image with:
imagesc(data,’CDataMapping’,’scaled’);
but I fail to save the outputed image in true resolution.
Saveas and print don’t work because it gets really messy with dpi and papersize.
The only thing close to what I want is by using:
data=data/5070;
imwrite(data, ‘filename.png’)
but then my image is of course only in grayscale, because the colormap is wrong.
I think there is a way using parula and get the right colormap from the image created with imagesc, but I just cant figure out how to combine this with imwrite.
Thanks for your help! image, intensity image, resolution MATLAB Answers — New Questions
Change RMW in Matlab R2021b
Currently i’m using Matlab R2021b + Ubuntu22.04 Humble due to version compatibility with external program.
I have seen the guide to change the default RMW by Preferences -> ROS Toolbox. But my Matlab version seems like
there is no ROS Toolbox at Preferences. So I tried to change the RMW by command line
setenv(‘RMW_IMPLEMENTATION’,’rmw_cyclonedds_cpp’)
Is there any method to check the RMW vendor?
Or is there another way to change it?Currently i’m using Matlab R2021b + Ubuntu22.04 Humble due to version compatibility with external program.
I have seen the guide to change the default RMW by Preferences -> ROS Toolbox. But my Matlab version seems like
there is no ROS Toolbox at Preferences. So I tried to change the RMW by command line
setenv(‘RMW_IMPLEMENTATION’,’rmw_cyclonedds_cpp’)
Is there any method to check the RMW vendor?
Or is there another way to change it? Currently i’m using Matlab R2021b + Ubuntu22.04 Humble due to version compatibility with external program.
I have seen the guide to change the default RMW by Preferences -> ROS Toolbox. But my Matlab version seems like
there is no ROS Toolbox at Preferences. So I tried to change the RMW by command line
setenv(‘RMW_IMPLEMENTATION’,’rmw_cyclonedds_cpp’)
Is there any method to check the RMW vendor?
Or is there another way to change it? ros2, dds, rmw MATLAB Answers — New Questions
how to generate error terms for idploy or ARMAX models
Dear Experts,
I would like to convert ARMAX model of idploy form to classical time series equation as given below.
_y(t)=[a1 a2 …. an]*[y(t−1)+y(t-2)+…+y(t−n)] + [b1 b2 …. bn]*[u(t−1)+u(t-2)+…+u(t−n)] + [c1 c2 …. cn]*[e(t−1)+e(t-2)+…+e(t−n)] + e(t)_
As idploy provides a1…an, b1….bn and c1… cn, please let me know how to generate e(t−1), e(t-2),…,e(t−n)],e(t) terms
Thanking you in advance,
Kind Regards,
KushanDear Experts,
I would like to convert ARMAX model of idploy form to classical time series equation as given below.
_y(t)=[a1 a2 …. an]*[y(t−1)+y(t-2)+…+y(t−n)] + [b1 b2 …. bn]*[u(t−1)+u(t-2)+…+u(t−n)] + [c1 c2 …. cn]*[e(t−1)+e(t-2)+…+e(t−n)] + e(t)_
As idploy provides a1…an, b1….bn and c1… cn, please let me know how to generate e(t−1), e(t-2),…,e(t−n)],e(t) terms
Thanking you in advance,
Kind Regards,
Kushan Dear Experts,
I would like to convert ARMAX model of idploy form to classical time series equation as given below.
_y(t)=[a1 a2 …. an]*[y(t−1)+y(t-2)+…+y(t−n)] + [b1 b2 …. bn]*[u(t−1)+u(t-2)+…+u(t−n)] + [c1 c2 …. cn]*[e(t−1)+e(t-2)+…+e(t−n)] + e(t)_
As idploy provides a1…an, b1….bn and c1… cn, please let me know how to generate e(t−1), e(t-2),…,e(t−n)],e(t) terms
Thanking you in advance,
Kind Regards,
Kushan armax, idploy, white noise, time series MATLAB Answers — New Questions
Whether a point lies within a rectangle (Fast solution)
I have a large list of points and a large list of rectangles.I want to find the number of points inside each rectangle.I have a working solution which is very TPT heavy.
Is there a faster way of implementing this.
What I am doing now : Assume point P’s coordinate is (xp,yp), and the rectangle’s lower left point is (x1,y1) and upper right point is (x2,y2):if (xp is between x1 and x2) AND (yp is between y1 and y2)
then the point(xp,yp) is inside the rectangle.The issue is i have a large set of points (> 20000) and a larger set of rectangles(lets say also > 2000)
Now i can loop over each rectangle to caluclate the the number of points in each
for ii=1:20000
ind = Xcord>Rects(ii,1) & Xcord<Rects(ii,3) & Ycord>Rects(ii,2) & Ycord<Rects(ii,4);
count = sum(ind);
endI have a large list of points and a large list of rectangles.I want to find the number of points inside each rectangle.I have a working solution which is very TPT heavy.
Is there a faster way of implementing this.
What I am doing now : Assume point P’s coordinate is (xp,yp), and the rectangle’s lower left point is (x1,y1) and upper right point is (x2,y2):if (xp is between x1 and x2) AND (yp is between y1 and y2)
then the point(xp,yp) is inside the rectangle.The issue is i have a large set of points (> 20000) and a larger set of rectangles(lets say also > 2000)
Now i can loop over each rectangle to caluclate the the number of points in each
for ii=1:20000
ind = Xcord>Rects(ii,1) & Xcord<Rects(ii,3) & Ycord>Rects(ii,2) & Ycord<Rects(ii,4);
count = sum(ind);
end I have a large list of points and a large list of rectangles.I want to find the number of points inside each rectangle.I have a working solution which is very TPT heavy.
Is there a faster way of implementing this.
What I am doing now : Assume point P’s coordinate is (xp,yp), and the rectangle’s lower left point is (x1,y1) and upper right point is (x2,y2):if (xp is between x1 and x2) AND (yp is between y1 and y2)
then the point(xp,yp) is inside the rectangle.The issue is i have a large set of points (> 20000) and a larger set of rectangles(lets say also > 2000)
Now i can loop over each rectangle to caluclate the the number of points in each
for ii=1:20000
ind = Xcord>Rects(ii,1) & Xcord<Rects(ii,3) & Ycord>Rects(ii,2) & Ycord<Rects(ii,4);
count = sum(ind);
end points lying inside a rectangle MATLAB Answers — New Questions
How can I set up my MATLAB application to start automatically on a target machine in stand-alone mode?
Hi,
I uploaded my program as a real-time application on a target machine (Speedgoat baseline) via MATLAB. Then, I used PuTTY to send commands to load, start, and stop the process. My question is: how can I change the settings so that the target machine starts a specific application when it is powered on and stops it when it is turned off without any command? Is this possible?Hi,
I uploaded my program as a real-time application on a target machine (Speedgoat baseline) via MATLAB. Then, I used PuTTY to send commands to load, start, and stop the process. My question is: how can I change the settings so that the target machine starts a specific application when it is powered on and stops it when it is turned off without any command? Is this possible? Hi,
I uploaded my program as a real-time application on a target machine (Speedgoat baseline) via MATLAB. Then, I used PuTTY to send commands to load, start, and stop the process. My question is: how can I change the settings so that the target machine starts a specific application when it is powered on and stops it when it is turned off without any command? Is this possible? realtime, target, command line MATLAB Answers — New Questions
How to add one more hitch to model of Vehicle Body 3DOF Three Axles?
Based on the help of the Vehicle Body 3DOF Three Axles, front hitch forces and moments are listed under "Input signals"; however, I don’t see these two inputs in the block.
I’m wondering how I add more hitch to the model? Thank you.Based on the help of the Vehicle Body 3DOF Three Axles, front hitch forces and moments are listed under "Input signals"; however, I don’t see these two inputs in the block.
I’m wondering how I add more hitch to the model? Thank you. Based on the help of the Vehicle Body 3DOF Three Axles, front hitch forces and moments are listed under "Input signals"; however, I don’t see these two inputs in the block.
I’m wondering how I add more hitch to the model? Thank you. vehicle dynamics, vehicle body 3dof three axles, vehicle body MATLAB Answers — New Questions
How can I disable “Optimize Numeric Parameters” in gaussian process regression?
I’m performing a hyper-parameter optimization of a Gaussian Process Regression (GPR), and I’ve noticed that it runs in about 30 seconds in the Regression Learner App, but more like 70 seconds if I run a hopefully identical function in the workspace.
I’ve tried a lot of different settings in my custom function, but always it is much slower.
The only difference is that, in the learner app, there is an option called "Optimize Numeric Parameters" which, when set, makes the regression learner app run much more slowly (similar to function from workspace, if not even slower).
I find that the results are in fact superior with "Optimize Numeric Parameters" disabled, plus it runs much faster so I can do more iterations. How can I disable this in the function I wrote to train a GPR model?I’m performing a hyper-parameter optimization of a Gaussian Process Regression (GPR), and I’ve noticed that it runs in about 30 seconds in the Regression Learner App, but more like 70 seconds if I run a hopefully identical function in the workspace.
I’ve tried a lot of different settings in my custom function, but always it is much slower.
The only difference is that, in the learner app, there is an option called "Optimize Numeric Parameters" which, when set, makes the regression learner app run much more slowly (similar to function from workspace, if not even slower).
I find that the results are in fact superior with "Optimize Numeric Parameters" disabled, plus it runs much faster so I can do more iterations. How can I disable this in the function I wrote to train a GPR model? I’m performing a hyper-parameter optimization of a Gaussian Process Regression (GPR), and I’ve noticed that it runs in about 30 seconds in the Regression Learner App, but more like 70 seconds if I run a hopefully identical function in the workspace.
I’ve tried a lot of different settings in my custom function, but always it is much slower.
The only difference is that, in the learner app, there is an option called "Optimize Numeric Parameters" which, when set, makes the regression learner app run much more slowly (similar to function from workspace, if not even slower).
I find that the results are in fact superior with "Optimize Numeric Parameters" disabled, plus it runs much faster so I can do more iterations. How can I disable this in the function I wrote to train a GPR model? regression, machine learning MATLAB Answers — New Questions
Roadrunner installation and liscence linking
How to download and install roadrunner, and should i buy it even though i have a liscence?How to download and install roadrunner, and should i buy it even though i have a liscence? How to download and install roadrunner, and should i buy it even though i have a liscence? roadrunner, matlab, simulink, installation, liscence MATLAB Answers — New Questions