Hello, I seem to have a good connection but I’m receiving a "HTTP/1.1 403 Forbidden’" error. Please see below. Thanks.
>> c
c =
twitter with properties:
Name: ‘MyName’
ScreenName: ‘MyScreenName’
MetaData: [1×1 struct]
StatusCode: OK

>> d = search(c,’#MySearch’)
d =
ResponseMessage with properties:
StatusLine: ‘HTTP/1.1 403 Forbidden’
StatusCode: Forbidden
Header: [1×10 matlab.net.http.HeaderField]
Body: [1×1 matlab.net.http.MessageBody]
Completed: 0

>> ver
—————————————————————————————————–
MATLAB Version: 24.2.0.2622594 (R2024b) Prerelease
MATLAB License Number: Prerelease
Operating System: Microsoft Windows 10 Pro Version 10.0 (Build 19045)
Java Version: Java 1.8.0_202-b08 with Oracle Corporation Java HotSpot(TM) 64-Bit Server VM mixed mode
—————————————————————————————————–
MATLAB Version 24.2 (R2024b)
…
Datafeed Toolbox Version 24.2 (R2024b)
…Hello, I seem to have a good connection but I’m receiving a "HTTP/1.1 403 Forbidden’" error. Please see below. Thanks.
>> c
c =
twitter with properties:
Name: ‘MyName’
ScreenName: ‘MyScreenName’
MetaData: [1×1 struct]
StatusCode: OK

>> d = search(c,’#MySearch’)
d =
ResponseMessage with properties:
StatusLine: ‘HTTP/1.1 403 Forbidden’
StatusCode: Forbidden
Header: [1×10 matlab.net.http.HeaderField]
Body: [1×1 matlab.net.http.MessageBody]
Completed: 0

>> ver
—————————————————————————————————–
MATLAB Version: 24.2.0.2622594 (R2024b) Prerelease
MATLAB License Number: Prerelease
Operating System: Microsoft Windows 10 Pro Version 10.0 (Build 19045)
Java Version: Java 1.8.0_202-b08 with Oracle Corporation Java HotSpot(TM) 64-Bit Server VM mixed mode
—————————————————————————————————–
MATLAB Version 24.2 (R2024b)
…
Datafeed Toolbox Version 24.2 (R2024b)
… Hello, I seem to have a good connection but I’m receiving a "HTTP/1.1 403 Forbidden’" error. Please see below. Thanks.
>> c
c =
twitter with properties:
Name: ‘MyName’
ScreenName: ‘MyScreenName’
MetaData: [1×1 struct]
StatusCode: OK

>> d = search(c,’#MySearch’)
d =
ResponseMessage with properties:
StatusLine: ‘HTTP/1.1 403 Forbidden’
StatusCode: Forbidden
Header: [1×10 matlab.net.http.HeaderField]
Body: [1×1 matlab.net.http.MessageBody]
Completed: 0

>> ver
—————————————————————————————————–
MATLAB Version: 24.2.0.2622594 (R2024b) Prerelease
MATLAB License Number: Prerelease
Operating System: Microsoft Windows 10 Pro Version 10.0 (Build 19045)
Java Version: Java 1.8.0_202-b08 with Oracle Corporation Java HotSpot(TM) 64-Bit Server VM mixed mode
—————————————————————————————————–
MATLAB Version 24.2 (R2024b)
…
Datafeed Toolbox Version 24.2 (R2024b)
… twitter x datafeed MATLAB Answers — New Questions

​

I’ve yet to use MATLAB (new user) and since installing I’ve had issues with trying to open .m files from Finder (Mac). When opening .m file I get a dialog box that says "index exceeds the number of array elements. Index must not exceed 0"I’ve yet to use MATLAB (new user) and since installing I’ve had issues with trying to open .m files from Finder (Mac). When opening .m file I get a dialog box that says "index exceeds the number of array elements. Index must not exceed 0" I’ve yet to use MATLAB (new user) and since installing I’ve had issues with trying to open .m files from Finder (Mac). When opening .m file I get a dialog box that says "index exceeds the number of array elements. Index must not exceed 0" opening files MATLAB Answers — New Questions

​

Hello, I have a a matrix with 3 coordinates (each column) x, y, and z. Each column has the same length. I would like to interpolate a especific coordinate xi and yi to obtain zi using the main matriz. Besides, I would like to generate a surface plot using the codinates x,y and z. I know that z should be a matrix mxn in order to do that based on the number of elements m and n according to x and y, respectively. It is worth mentioning that x, y and z are longitude, latitude and depth respectively. I would appreciate the help.Hello, I have a a matrix with 3 coordinates (each column) x, y, and z. Each column has the same length. I would like to interpolate a especific coordinate xi and yi to obtain zi using the main matriz. Besides, I would like to generate a surface plot using the codinates x,y and z. I know that z should be a matrix mxn in order to do that based on the number of elements m and n according to x and y, respectively. It is worth mentioning that x, y and z are longitude, latitude and depth respectively. I would appreciate the help. Hello, I have a a matrix with 3 coordinates (each column) x, y, and z. Each column has the same length. I would like to interpolate a especific coordinate xi and yi to obtain zi using the main matriz. Besides, I would like to generate a surface plot using the codinates x,y and z. I know that z should be a matrix mxn in order to do that based on the number of elements m and n according to x and y, respectively. It is worth mentioning that x, y and z are longitude, latitude and depth respectively. I would appreciate the help. interpolate 3d vector using x and y MATLAB Answers — New Questions

​

I started to get into the habit of using inputParser to manage construction options to MATLAB classes I create. It just seems like the cleanest, most future-proof way to go about doing it. Now, I just hit a very annoying brick wall. I wanted to run one of these through MATLAB Coder to make a C++ version to at least serve as a template for a bit of production code. BOOM! MATLAB Coder doesn’t like functions/classes that use inputParser. Is there anyone who’s found a good workaround?I started to get into the habit of using inputParser to manage construction options to MATLAB classes I create. It just seems like the cleanest, most future-proof way to go about doing it. Now, I just hit a very annoying brick wall. I wanted to run one of these through MATLAB Coder to make a C++ version to at least serve as a template for a bit of production code. BOOM! MATLAB Coder doesn’t like functions/classes that use inputParser. Is there anyone who’s found a good workaround? I started to get into the habit of using inputParser to manage construction options to MATLAB classes I create. It just seems like the cleanest, most future-proof way to go about doing it. Now, I just hit a very annoying brick wall. I wanted to run one of these through MATLAB Coder to make a C++ version to at least serve as a template for a bit of production code. BOOM! MATLAB Coder doesn’t like functions/classes that use inputParser. Is there anyone who’s found a good workaround? inputparser MATLAB Answers — New Questions

​

Hello,
I have the following valiable in Matlab which holds the CAN data from a recorder in the following format:
Hexadecimal

The output of Row 1047 Should be -1951 normally and -1.951 after factoring it by 0.001. This conversion is done using this website.This is basically a force value of a Dynamometer. How can I do this conversion in Matlab? Any known function?
The closest example I found is here, but does not actually solves my problem.
The DBC is as follows:Hello,
I have the following valiable in Matlab which holds the CAN data from a recorder in the following format:
Hexadecimal

The output of Row 1047 Should be -1951 normally and -1.951 after factoring it by 0.001. This conversion is done using this website.This is basically a force value of a Dynamometer. How can I do this conversion in Matlab? Any known function?
The closest example I found is here, but does not actually solves my problem.
The DBC is as follows: Hello,
I have the following valiable in Matlab which holds the CAN data from a recorder in the following format:
Hexadecimal

The output of Row 1047 Should be -1951 normally and -1.951 after factoring it by 0.001. This conversion is done using this website.This is basically a force value of a Dynamometer. How can I do this conversion in Matlab? Any known function?
The closest example I found is here, but does not actually solves my problem.
The DBC is as follows: can, dbc MATLAB Answers — New Questions

​

Greetings,
First, I apologize for postiing in the "General" area. This is the fisrt time I am asking for help in the MATLAB community and navagting this tyupe of forum. In looking of a MATAB program to plot both electric and potential fields of a dipole I came across a Book Chapter under the Academia profile of Darvin Messi on Numerical Methods. See the following link:
https://www.academia.edu/7995677/NUMERICAL_METHODS?email_work_card=view-paper&li=0
I typed in the code and worked through a majority of bugs, a couple due to typos in the text. One had to do with adding a symbol to the plot function. I got the electric fields portion to work perfectly. However, the electric potential plots still do not work. I have tried to the best of my ability to error trap. I was able to get a couple of points to plot but nothing more. I really like this approach which does not make use of MATLAB’s mesh or gradient functions because of the application I have in working with students. On the other hand, I do not know why this portion is not working. Any help would be greatly appreciated as I would not trouble the MATLAB community without exhausting the combination/permutations of what could be wrong.
I would be great to then keep the corrected version on this community as through my searches, a program like this has been requested by students very frequently.
Best wishes,
David.

%. Program below
plotit ( [-1 1], [-1.5 0; 1.5 0], 1, 1, 0.01, 0.01, 20, 20, 5)
function plotit(charges, location, ckEField, ckEq, DLE, DLV, NLE, NLV, PTS)
figure;
hold on
% Program for plotting the electric field lines
% and equipotential lines due to coplanar point charges
% the plot is to be within the range -5<x,y<5
%
% This is the correct usage:
% function plotit(charges, location,ckEField,ckEq,DLE,DLV,NLE,NLV,PTS)
%
% where,
% charges = a vector containing the charges
% location = a matrix where each row is a charge location
% ckEField = Flag set to 1 plots the Efield lines
% ckEq = Flag set to 1 plots the Equipotential lines
% DLE or DLV = the increment along E & V lines
% NLE = No. of E-Field lines per charge
% NLV = No. of Equipotential lines per charge
% PTS => Plots every PTS point (i.e. if PTS = 5 then plot every 5th point)
% note that constant Q/4*Pie*ErR is set equal to 1.0
% Determine the E-Field Lines
% For convenience, the starting points( XS,YS) are radially distributed about charge locations
Q=charges;
XQ = location(:,1);
YQ = location(:,2);
JJ=1;
NQ = length(charges);
if (ckEField)
for K=1:NQ
for I =1:NLE
THETA = 2*pi*(I-1)/(NLE);
XS=XQ(K)+0.1*cos(THETA);
YS=YQ(K)+0.1*sin(THETA);
XE=XS;
YE=YS;
JJ=JJ+1;
if (~mod(JJ,PTS))
plot(XE, YE, ‘k.’)
end
while (1)
% Find increment and new point (X,Y)
EX=0;
EY=0;
for J=1:NQ;
R =sqrt((XE-XQ(J))^2 + (YE – YQ(J))^2 );
EX = EX +Q(J)*(XE-XQ(J))/(R^3);
EY = EY +Q(J)*(YE-YQ(J))/(R^3);
end
E = sqrt(EX^2 + EY^2);
% CHECK FOR A SINGULAR POINT
if (E <=0.00005)
break;
end
DX = DLE*EX/E;
DY = DLE*EY/E;
% FOR NEGATIVE CHARGE, NEGATE DX & DY SO THAT INCREMENT IS AWAY FROM THE CHARGE
if (Q(K) < 0)
DX = -DX;
DY = -DY;
end
XE = XE + DX;
YE = YE + DY;
% CHECK WHETHER NEW POINT IS WITHIN THE GIVEN RANGE OR TOO
% CLOSE TO ANY OF THE POINT CHARGES – TO AVOID SINGULAR POINT
if ((abs(XE) >= 5) | (abs(YE) >= 5))
break;
end
if (sum(abs(XE-XQ) < 0.05 & abs(YE-YQ) < 0.05) > 0)
break;
end
JJ=JJ+1;
if (~mod(JJ,PTS))
plot(XE,YE,’k.’)
end
end % while loop
end % I =1:NLE
end % K = 1:NQ
end % if
% NEXT, DETERMINE THE EQUIPOTENTIAL LINES FOR CONVENIENCE, THE STARTING POINTS (XS,YS) ARE
% CHOSEN LIKE THOSE FOR THE E-FIELD LINES
if(ckEq)
JJ=1;
DELTA = 0.2;
ANGLE = 45*pi/180;
for K =1:NQ
FACTOR = 0.5
for KK = 1:NLV
XS = XQ(K) + FACTOR*cos(ANGLE);
YS = YQ(K) + FACTOR*sin(ANGLE);
if ( abs(XS) >= 5 | abs(YS) >=5 )
break;
end
DIR = 1;
XV = XS;
YV = YS;
JJ=JJ+1;
if (~mod(JJ,PTS))
plot(XV,YV, ‘rs’)
end
% FIND INCREMENT AND NEW POINT (XV,YV)
N=1;
while(1)
EX = 0;
EY = 0;
for J = 1:NQ
R = sqrt((XV-XQ(J))^2 + (YV-YQ(J))^2);
EX = EX + Q(J)*(XV-XQ(J))/(R^3);
EY = EY + Q(J)*(YV-YQ(J))/(R^3);
end
E=sqrt(EX^2 + EY^2);
if (E <= 0.00005)
FACTOR = 2*FACTOR;
break;
end;
DX = -(DLV*EX)/E;
DY = (DLV*EY)/E;
XV = XV + DIR*DX;
YV = YV + DIR*DY;
% CHECK IF THE EQUIPOTENTIAL LINE LOOPS BACK TO (X,YS)
R0 = sqrt((XV – XS)^2 + (YV – YS)^2);
if (R0 < DELTA & N < 50)
FACTOR = 2*FACTOR;
break;
end
% CHECK WHETHER NEW POINT IS WITHIN THE GIVEN RANGE IF FOUND OUT OF RANGE, GO BACK TO THE STARTING POINT
% (S,YS) BUT INCREMENT IN THE OPPOSITE DIRECTION
if (abs(XV) > 5 | abs(YV) > 5)
DIR = DIR – 2;
XV = XS;
YV = YS;
end
if (abs(DIR) > 1)
FACTOR = 2*FACTOR;
break;
end
if ( sum( abs(XV-XQ) < 0.005 & abs(YV-YQ) < 0.005) > 0 )
break;
end

end
JJ=JJ+1;
if (~mod(JJ,PTS))
N=N+1;
plot(XV,YV,’rs’)
end
end % WHILE loop
end % KK
end % K
end % ifGreetings,
First, I apologize for postiing in the "General" area. This is the fisrt time I am asking for help in the MATLAB community and navagting this tyupe of forum. In looking of a MATAB program to plot both electric and potential fields of a dipole I came across a Book Chapter under the Academia profile of Darvin Messi on Numerical Methods. See the following link:
https://www.academia.edu/7995677/NUMERICAL_METHODS?email_work_card=view-paper&li=0
I typed in the code and worked through a majority of bugs, a couple due to typos in the text. One had to do with adding a symbol to the plot function. I got the electric fields portion to work perfectly. However, the electric potential plots still do not work. I have tried to the best of my ability to error trap. I was able to get a couple of points to plot but nothing more. I really like this approach which does not make use of MATLAB’s mesh or gradient functions because of the application I have in working with students. On the other hand, I do not know why this portion is not working. Any help would be greatly appreciated as I would not trouble the MATLAB community without exhausting the combination/permutations of what could be wrong.
I would be great to then keep the corrected version on this community as through my searches, a program like this has been requested by students very frequently.
Best wishes,
David.

%. Program below
plotit ( [-1 1], [-1.5 0; 1.5 0], 1, 1, 0.01, 0.01, 20, 20, 5)
function plotit(charges, location, ckEField, ckEq, DLE, DLV, NLE, NLV, PTS)
figure;
hold on
% Program for plotting the electric field lines
% and equipotential lines due to coplanar point charges
% the plot is to be within the range -5<x,y<5
%
% This is the correct usage:
% function plotit(charges, location,ckEField,ckEq,DLE,DLV,NLE,NLV,PTS)
%
% where,
% charges = a vector containing the charges
% location = a matrix where each row is a charge location
% ckEField = Flag set to 1 plots the Efield lines
% ckEq = Flag set to 1 plots the Equipotential lines
% DLE or DLV = the increment along E & V lines
% NLE = No. of E-Field lines per charge
% NLV = No. of Equipotential lines per charge
% PTS => Plots every PTS point (i.e. if PTS = 5 then plot every 5th point)
% note that constant Q/4*Pie*ErR is set equal to 1.0
% Determine the E-Field Lines
% For convenience, the starting points( XS,YS) are radially distributed about charge locations
Q=charges;
XQ = location(:,1);
YQ = location(:,2);
JJ=1;
NQ = length(charges);
if (ckEField)
for K=1:NQ
for I =1:NLE
THETA = 2*pi*(I-1)/(NLE);
XS=XQ(K)+0.1*cos(THETA);
YS=YQ(K)+0.1*sin(THETA);
XE=XS;
YE=YS;
JJ=JJ+1;
if (~mod(JJ,PTS))
plot(XE, YE, ‘k.’)
end
while (1)
% Find increment and new point (X,Y)
EX=0;
EY=0;
for J=1:NQ;
R =sqrt((XE-XQ(J))^2 + (YE – YQ(J))^2 );
EX = EX +Q(J)*(XE-XQ(J))/(R^3);
EY = EY +Q(J)*(YE-YQ(J))/(R^3);
end
E = sqrt(EX^2 + EY^2);
% CHECK FOR A SINGULAR POINT
if (E <=0.00005)
break;
end
DX = DLE*EX/E;
DY = DLE*EY/E;
% FOR NEGATIVE CHARGE, NEGATE DX & DY SO THAT INCREMENT IS AWAY FROM THE CHARGE
if (Q(K) < 0)
DX = -DX;
DY = -DY;
end
XE = XE + DX;
YE = YE + DY;
% CHECK WHETHER NEW POINT IS WITHIN THE GIVEN RANGE OR TOO
% CLOSE TO ANY OF THE POINT CHARGES – TO AVOID SINGULAR POINT
if ((abs(XE) >= 5) | (abs(YE) >= 5))
break;
end
if (sum(abs(XE-XQ) < 0.05 & abs(YE-YQ) < 0.05) > 0)
break;
end
JJ=JJ+1;
if (~mod(JJ,PTS))
plot(XE,YE,’k.’)
end
end % while loop
end % I =1:NLE
end % K = 1:NQ
end % if
% NEXT, DETERMINE THE EQUIPOTENTIAL LINES FOR CONVENIENCE, THE STARTING POINTS (XS,YS) ARE
% CHOSEN LIKE THOSE FOR THE E-FIELD LINES
if(ckEq)
JJ=1;
DELTA = 0.2;
ANGLE = 45*pi/180;
for K =1:NQ
FACTOR = 0.5
for KK = 1:NLV
XS = XQ(K) + FACTOR*cos(ANGLE);
YS = YQ(K) + FACTOR*sin(ANGLE);
if ( abs(XS) >= 5 | abs(YS) >=5 )
break;
end
DIR = 1;
XV = XS;
YV = YS;
JJ=JJ+1;
if (~mod(JJ,PTS))
plot(XV,YV, ‘rs’)
end
% FIND INCREMENT AND NEW POINT (XV,YV)
N=1;
while(1)
EX = 0;
EY = 0;
for J = 1:NQ
R = sqrt((XV-XQ(J))^2 + (YV-YQ(J))^2);
EX = EX + Q(J)*(XV-XQ(J))/(R^3);
EY = EY + Q(J)*(YV-YQ(J))/(R^3);
end
E=sqrt(EX^2 + EY^2);
if (E <= 0.00005)
FACTOR = 2*FACTOR;
break;
end;
DX = -(DLV*EX)/E;
DY = (DLV*EY)/E;
XV = XV + DIR*DX;
YV = YV + DIR*DY;
% CHECK IF THE EQUIPOTENTIAL LINE LOOPS BACK TO (X,YS)
R0 = sqrt((XV – XS)^2 + (YV – YS)^2);
if (R0 < DELTA & N < 50)
FACTOR = 2*FACTOR;
break;
end
% CHECK WHETHER NEW POINT IS WITHIN THE GIVEN RANGE IF FOUND OUT OF RANGE, GO BACK TO THE STARTING POINT
% (S,YS) BUT INCREMENT IN THE OPPOSITE DIRECTION
if (abs(XV) > 5 | abs(YV) > 5)
DIR = DIR – 2;
XV = XS;
YV = YS;
end
if (abs(DIR) > 1)
FACTOR = 2*FACTOR;
break;
end
if ( sum( abs(XV-XQ) < 0.005 & abs(YV-YQ) < 0.005) > 0 )
break;
end

end
JJ=JJ+1;
if (~mod(JJ,PTS))
N=N+1;
plot(XV,YV,’rs’)
end
end % WHILE loop
end % KK
end % K
end % if Greetings,
First, I apologize for postiing in the "General" area. This is the fisrt time I am asking for help in the MATLAB community and navagting this tyupe of forum. In looking of a MATAB program to plot both electric and potential fields of a dipole I came across a Book Chapter under the Academia profile of Darvin Messi on Numerical Methods. See the following link:
https://www.academia.edu/7995677/NUMERICAL_METHODS?email_work_card=view-paper&li=0
I typed in the code and worked through a majority of bugs, a couple due to typos in the text. One had to do with adding a symbol to the plot function. I got the electric fields portion to work perfectly. However, the electric potential plots still do not work. I have tried to the best of my ability to error trap. I was able to get a couple of points to plot but nothing more. I really like this approach which does not make use of MATLAB’s mesh or gradient functions because of the application I have in working with students. On the other hand, I do not know why this portion is not working. Any help would be greatly appreciated as I would not trouble the MATLAB community without exhausting the combination/permutations of what could be wrong.
I would be great to then keep the corrected version on this community as through my searches, a program like this has been requested by students very frequently.
Best wishes,
David.

%. Program below
plotit ( [-1 1], [-1.5 0; 1.5 0], 1, 1, 0.01, 0.01, 20, 20, 5)
function plotit(charges, location, ckEField, ckEq, DLE, DLV, NLE, NLV, PTS)
figure;
hold on
% Program for plotting the electric field lines
% and equipotential lines due to coplanar point charges
% the plot is to be within the range -5<x,y<5
%
% This is the correct usage:
% function plotit(charges, location,ckEField,ckEq,DLE,DLV,NLE,NLV,PTS)
%
% where,
% charges = a vector containing the charges
% location = a matrix where each row is a charge location
% ckEField = Flag set to 1 plots the Efield lines
% ckEq = Flag set to 1 plots the Equipotential lines
% DLE or DLV = the increment along E & V lines
% NLE = No. of E-Field lines per charge
% NLV = No. of Equipotential lines per charge
% PTS => Plots every PTS point (i.e. if PTS = 5 then plot every 5th point)
% note that constant Q/4*Pie*ErR is set equal to 1.0
% Determine the E-Field Lines
% For convenience, the starting points( XS,YS) are radially distributed about charge locations
Q=charges;
XQ = location(:,1);
YQ = location(:,2);
JJ=1;
NQ = length(charges);
if (ckEField)
for K=1:NQ
for I =1:NLE
THETA = 2*pi*(I-1)/(NLE);
XS=XQ(K)+0.1*cos(THETA);
YS=YQ(K)+0.1*sin(THETA);
XE=XS;
YE=YS;
JJ=JJ+1;
if (~mod(JJ,PTS))
plot(XE, YE, ‘k.’)
end
while (1)
% Find increment and new point (X,Y)
EX=0;
EY=0;
for J=1:NQ;
R =sqrt((XE-XQ(J))^2 + (YE – YQ(J))^2 );
EX = EX +Q(J)*(XE-XQ(J))/(R^3);
EY = EY +Q(J)*(YE-YQ(J))/(R^3);
end
E = sqrt(EX^2 + EY^2);
% CHECK FOR A SINGULAR POINT
if (E <=0.00005)
break;
end
DX = DLE*EX/E;
DY = DLE*EY/E;
% FOR NEGATIVE CHARGE, NEGATE DX & DY SO THAT INCREMENT IS AWAY FROM THE CHARGE
if (Q(K) < 0)
DX = -DX;
DY = -DY;
end
XE = XE + DX;
YE = YE + DY;
% CHECK WHETHER NEW POINT IS WITHIN THE GIVEN RANGE OR TOO
% CLOSE TO ANY OF THE POINT CHARGES – TO AVOID SINGULAR POINT
if ((abs(XE) >= 5) | (abs(YE) >= 5))
break;
end
if (sum(abs(XE-XQ) < 0.05 & abs(YE-YQ) < 0.05) > 0)
break;
end
JJ=JJ+1;
if (~mod(JJ,PTS))
plot(XE,YE,’k.’)
end
end % while loop
end % I =1:NLE
end % K = 1:NQ
end % if
% NEXT, DETERMINE THE EQUIPOTENTIAL LINES FOR CONVENIENCE, THE STARTING POINTS (XS,YS) ARE
% CHOSEN LIKE THOSE FOR THE E-FIELD LINES
if(ckEq)
JJ=1;
DELTA = 0.2;
ANGLE = 45*pi/180;
for K =1:NQ
FACTOR = 0.5
for KK = 1:NLV
XS = XQ(K) + FACTOR*cos(ANGLE);
YS = YQ(K) + FACTOR*sin(ANGLE);
if ( abs(XS) >= 5 | abs(YS) >=5 )
break;
end
DIR = 1;
XV = XS;
YV = YS;
JJ=JJ+1;
if (~mod(JJ,PTS))
plot(XV,YV, ‘rs’)
end
% FIND INCREMENT AND NEW POINT (XV,YV)
N=1;
while(1)
EX = 0;
EY = 0;
for J = 1:NQ
R = sqrt((XV-XQ(J))^2 + (YV-YQ(J))^2);
EX = EX + Q(J)*(XV-XQ(J))/(R^3);
EY = EY + Q(J)*(YV-YQ(J))/(R^3);
end
E=sqrt(EX^2 + EY^2);
if (E <= 0.00005)
FACTOR = 2*FACTOR;
break;
end;
DX = -(DLV*EX)/E;
DY = (DLV*EY)/E;
XV = XV + DIR*DX;
YV = YV + DIR*DY;
% CHECK IF THE EQUIPOTENTIAL LINE LOOPS BACK TO (X,YS)
R0 = sqrt((XV – XS)^2 + (YV – YS)^2);
if (R0 < DELTA & N < 50)
FACTOR = 2*FACTOR;
break;
end
% CHECK WHETHER NEW POINT IS WITHIN THE GIVEN RANGE IF FOUND OUT OF RANGE, GO BACK TO THE STARTING POINT
% (S,YS) BUT INCREMENT IN THE OPPOSITE DIRECTION
if (abs(XV) > 5 | abs(YV) > 5)
DIR = DIR – 2;
XV = XS;
YV = YS;
end
if (abs(DIR) > 1)
FACTOR = 2*FACTOR;
break;
end
if ( sum( abs(XV-XQ) < 0.005 & abs(YV-YQ) < 0.005) > 0 )
break;
end

end
JJ=JJ+1;
if (~mod(JJ,PTS))
N=N+1;
plot(XV,YV,’rs’)
end
end % WHILE loop
end % KK
end % K
end % if graphics and visualization pl MATLAB Answers — New Questions

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I am using a simple model in Simulink in which I use a division on two input values using a ‘Divide’ block.

During my simulation, there might be a zero value fed to the denominator of the ‘Divide’ block. This often causes a warning, an error message, or erroneous results.

How can I avoid these problems?I am using a simple model in Simulink in which I use a division on two input values using a ‘Divide’ block.

During my simulation, there might be a zero value fed to the denominator of the ‘Divide’ block. This often causes a warning, an error message, or erroneous results.

How can I avoid these problems? I am using a simple model in Simulink in which I use a division on two input values using a ‘Divide’ block.

During my simulation, there might be a zero value fed to the denominator of the ‘Divide’ block. This often causes a warning, an error message, or erroneous results.

How can I avoid these problems? zero, division, simulink, denominator, numerator, inf MATLAB Answers — New Questions

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I want to do some generic custom defined GPIO port R/W access on the FMCP connector of our ZCU111 board, especially LA bus [0..31] from/to PL using SOC Blockset. There does not seem to exist some generic block or some custom port feature like in the HDL workflow advisor 1.2. So are there any solutions available ? Is the Terasic F2G board supported? How can i make some generic IO R/W working on this board?
Thank you in advanceI want to do some generic custom defined GPIO port R/W access on the FMCP connector of our ZCU111 board, especially LA bus [0..31] from/to PL using SOC Blockset. There does not seem to exist some generic block or some custom port feature like in the HDL workflow advisor 1.2. So are there any solutions available ? Is the Terasic F2G board supported? How can i make some generic IO R/W working on this board?
Thank you in advance I want to do some generic custom defined GPIO port R/W access on the FMCP connector of our ZCU111 board, especially LA bus [0..31] from/to PL using SOC Blockset. There does not seem to exist some generic block or some custom port feature like in the HDL workflow advisor 1.2. So are there any solutions available ? Is the Terasic F2G board supported? How can i make some generic IO R/W working on this board?
Thank you in advance zcu111, generic custom defined gpio port r/w MATLAB Answers — New Questions

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Don’t know how I can fix this filepath issue..Don’t know how I can fix this filepath issue.. Don’t know how I can fix this filepath issue.. matlab, matlab code, filepath, error MATLAB Answers — New Questions

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I’m trying to generate C code from a block in my Simulink model and deploy this to an STM Nucleo board with the STM32H753ZIT6 processor. I am able to generate C code from my model but have so far been unable to deploy it to the board. I have followed the instructions at https://uk.mathworks.com/help/ecoder/stm32-setup-and-configuration.html to setup the STM32 support package but when I right click the block and select "Deploy this subsystem to hardware", I get the following error:
Error:The definition of property ‘TOOLCHAIN_FOLDER_NAME’ in class ‘stm32cube.mdkarm’ differs from its definition in the superclass ‘stm32cube.mxprojectParser’. This is caused by either conflicting access permissions or differing values of the Constant attribute.
Has anyone come across this before? I cannot find the classes the error is referring to.I’m trying to generate C code from a block in my Simulink model and deploy this to an STM Nucleo board with the STM32H753ZIT6 processor. I am able to generate C code from my model but have so far been unable to deploy it to the board. I have followed the instructions at https://uk.mathworks.com/help/ecoder/stm32-setup-and-configuration.html to setup the STM32 support package but when I right click the block and select "Deploy this subsystem to hardware", I get the following error:
Error:The definition of property ‘TOOLCHAIN_FOLDER_NAME’ in class ‘stm32cube.mdkarm’ differs from its definition in the superclass ‘stm32cube.mxprojectParser’. This is caused by either conflicting access permissions or differing values of the Constant attribute.
Has anyone come across this before? I cannot find the classes the error is referring to. I’m trying to generate C code from a block in my Simulink model and deploy this to an STM Nucleo board with the STM32H753ZIT6 processor. I am able to generate C code from my model but have so far been unable to deploy it to the board. I have followed the instructions at https://uk.mathworks.com/help/ecoder/stm32-setup-and-configuration.html to setup the STM32 support package but when I right click the block and select "Deploy this subsystem to hardware", I get the following error:
Error:The definition of property ‘TOOLCHAIN_FOLDER_NAME’ in class ‘stm32cube.mdkarm’ differs from its definition in the superclass ‘stm32cube.mxprojectParser’. This is caused by either conflicting access permissions or differing values of the Constant attribute.
Has anyone come across this before? I cannot find the classes the error is referring to. stm32, embedded coder MATLAB Answers — New Questions

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