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Sayyed Ahmad


HUGO PETERSEN GmbH

Last seen: más de 2 años hace Con actividad desde 2018

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Respondida
Running a bash script from MATLAB
look at : https://de.mathworks.com/help/matlab/matlab-environment-control.html?s_tid=CRUX_lftnav

casi 3 años hace | 0

Respondida
I change the legend font color in a plot but when I save it as a png it doesn't work
try this: saveas(gca,'test.png')

casi 3 años hace | 0

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How to check if an object is from a certain class object?
try this: isequal(class(a),'Box') ans = 1

casi 4 años hace | 3

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How to check the inputs of a user given vector
I hope I understand your problem. Try this a=[0 0 1 1]; idx=find(a==1) the answer would be: idx = 3 4

casi 4 años hace | 0

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Update variable value to workspace
I would try to load my variables by useing PostLoad callbacks in model Properties. Now you have access to this variables by...

casi 4 años hace | 0

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How do I connect to a database using a Simulink block created from a custom Matlab class?
Try to capsel your class in Matlab level2-s-function. https://www.mathworks.com/help/simulink/slref/level2matlabsfunction.html ...

casi 4 años hace | 0

Respondida
My nested For Loops takes 40 seconds for 20,000 records. Anyway to vectorize or improve?
You have to avoiding the nested loops. may be you can use the bsxfun to avoiding some loops. An example: A = rand(50); % 50-...

casi 4 años hace | 0

Respondida
Defining global variables to be used in a function and outside
I think following code can help you: classdef hC < handle properties var end end your function wold look l...

casi 4 años hace | 0

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How to programatically modify simulink mask values (Serial Configuration Block)
I used the following codes in a matlab level-2 s-function and It's worked. set_param(gcs,'BackgroundColor', 'red');

casi 5 años hace | 0

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Variable size class properties for C++ code export
The defination of var is wrong. it's ok if you write classdef inputClass properties var; b = 0 ...

casi 5 años hace | 0

Respondida
Physical attributes / Weight
you can create a subsystem. use ctrl.+m to create a mask for your subsystem. Now you could be able to use Parameters and Dialog...

casi 5 años hace | 0

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Respondida
to plot binary data for the predefined time interval
try something like this: n=0; while n<5000 for i=1:1000 t(i)=now; x=[1 0 0 1 1 1 0 0 1]; %read your x f...

casi 5 años hace | 0

Respondida
How can I round double-values down in a Matlab function block in Simulink?
I would programming like this: x=strsplit(datestr(now,'YYYY-mm-DD-HH-MM-ss'),'-') % instead of now you can use your time from...

casi 5 años hace | 0

Respondida
Fitting sum of exponential function with experiment data
you have to simplified your model to y=1-c1exp(-c2*x*t) y ist your Vt/V_inf c1 represent all other parameter outside your ex...

casi 5 años hace | 1

Respondida
Align different starting point to zero
try with find and index for i=1:tn ind=find(B(:,1)==number(i)) y=min(B(ind,2)); B(ind,2)=b(ind,2)-y; end

casi 5 años hace | 0

| aceptada

Respondida
How to create a mathematical expression which contains delays using Symbolic Math Toolbox?
matlab multiplied and simplified your codes; Y = I1^2+2*(I2-4)+I1*(I3-4)+(I4-8)+5*I5 Y = I1^2+2*I2-8+I1*I3-4+I4-8+5*I5 simpli...

casi 5 años hace | 0

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Acces data in nested structure
if your various_substructures is an array you can access the value like follow: for i=1:5 s.var(i).val1.x=i; s.var(...

casi 5 años hace | 0

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App Designer: Use Tree to Browse Directory
see the help of uigetfile: "Enabling multiple file selection in the dialog: [filename, pathname, filterindex] = uigetfi...

casi 5 años hace | 0

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Respondida
How to draw line between specific points?
I hope the following codes are what you want: clear all close all clc A = [ 1000 1000; 1003 2640; 2323 2638; 2661 1096; 1...

casi 5 años hace | 0

Respondida
How to create a symmetric histogram
du you means this? A=linspace(0,pi,181); X=sin(A); Y=-X plot(A,X,'r-',A,Y,'b-')

alrededor de 5 años hace | 0

Respondida
How can I build power function through point?
I would do something like this: x = [52000 70000 74000 96000 100000 170000 220000 245000 530000 720000 810000 4900000]; y ...

alrededor de 5 años hace | 0

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Respondida
one problem about ismember function
That is not a problem of ismember function. The machine accuracy is in matlab eps >>eps ans= 2.2204e-16 to better ...

casi 6 años hace | 0

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Exporting from Matlab to excel with macro.
you have to use activeX in matlab to start Excel e = actxserver('excel.application'); e.visible=1; %% new Woorkbo...

casi 6 años hace | 0

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How can I add a point to an animation?
you need to add in your code hold on otherweise you create every time a new graph and your point is not exist anymore.

casi 6 años hace | 0

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Insufficient number of outputs from right hand side of equal sign to satisfy assignment.
x={1, 2,3} [a b c]=x{1:3}

casi 6 años hace | 0

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Overload operator doesn't work into workers
class handel is a pointer of Memory. To better understand try this codes a = ClassA(10); b = ClassB(a); a.value b....

casi 6 años hace | 0

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How do I load images from matlab to Paint Application?
if your Image called test.png you have to run this Code in matlab command !mspaint test.png

casi 6 años hace | 0

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Which one is faster: trace(a' * b) or sum(sum(a .* b', 2))?
try your code with tic for i=1:10000 %put hier your alternat 1 end toc tic for i=1:10000 %put hi...

casi 6 años hace | 0

Respondida
Strange Cell Array error
try this codes data={'8317';'10974';'14623'} for i=1:3 c2(i)=str2num(data{i}) end

casi 6 años hace | 0

Respondida
save result of each iteration in a joint table
I would use the cell-data format to save every thing. for i=1:5 x{i}=table('test',i); end

casi 6 años hace | 0

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