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Ahmed Rashid


Chalmers Tekniska Högskola

Last seen: mer än 3 år ago |  Active since 2015

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Answered
writetable() has write permission problems when run as scheduled task; save() does not
The error might also occur if the folder, in which the file is supposed to be save, does not exist.

nästan 5 år ago | 0

Answered
When I use edit the dialog box don't show.
Go to Preferences>Matlab>General>Confirmation dialog Check the Prompt when editing files that do not exist

mer än 8 år ago | 0

| accepted

Answered
How to speed up this loops?
You can create a mex function of your firstTestFunct by xx = 1; codegen firstTestFunct -args {xx, xx, xx, xx} You ne...

mer än 8 år ago | 0

| accepted

Answered
save a m*n cell file as n text files
a = rand(1000, 100); for k = 1:100 fileID = fopen(['data', num2str(k), '.txt'],'w'); fprintf(fileID,'%f\n...

mer än 8 år ago | 0

| accepted

Answered
format of output in command window
You can use syms K A = (36.0801*1.1462-181.04*(-.13341-.05423*K))/36.0801; d = 5; % decimal accuracy; vpa(A,d)

mer än 8 år ago | 0

| accepted

Answered
Problem with input command
Hello, It works as intended here. I run it on a Windows machine (Windows 10). You can maybe try it on another computer. I...

mer än 8 år ago | 0

Answered
Integral of controllability gramian
Why don't you check the rank of the controllability matrix? C = rank([B AB A^2B ... A^(n-1)*B]) If C has full rank, then...

mer än 8 år ago | 0

Answered
Why does my fft2 only use 1-3 instead all my 8 cores?
You can set the maximum number of threads using the command maxNumCompThreads(number_of_threads) If you want to see how ...

mer än 8 år ago | 0

Answered
How to do time shift property?
g = sin(4(t-t_shift)); If this is what you want.

mer än 8 år ago | 0

Answered
MATLAB 2016a cannot locate gcc compiler
Try out mex -setup

mer än 8 år ago | 0

Answered
averaging many images for every pixel - recursively.
X = imread('peppers.png'); nrOfImages = 30; % assuming that you have the images in a cell array images = cel...

mer än 8 år ago | 0

Answered
What are the ways to generate dll files in matlab(2013b), for further use in CANoe?
If you would like to have the dll to run as a standalone dll, i.e. no dependency on the Matlab runtime, you must go with Matla...

mer än 8 år ago | 0

Answered
Measure Sum of column if statements are true
a = [1 1 2 1; 2 2 3 1; 1 1 2 -1; 2 2 1 -1; 3 3 2 1; 1 2 3 1; 1 2 1 -1]; uniqueIds = unique(a(:, 1)); nrOfUniqueI...

mer än 8 år ago | 0

| accepted

Answered
Error when trying to run multiple instances of Simulink model in rapid accelerator mode?
I fixed the problem by generating a separate slprj file for each instance. You can control the generation of the folder with th...

mer än 8 år ago | 0

| accepted

Answered
How to add a wrapper function written in C to a dll generated with the Matlab Coder?
I fixed the problem using Visual Studio instead. If the dll needs to be used in Labview do not dynamicaly allocate memory insi...

mer än 8 år ago | 0

| accepted

Question


How to add a wrapper function written in C to a dll generated with the Matlab Coder?
I have the function in Matlab function y = foo(x) y = 2*x; end where _x_ is an array with a dynamic size. I have ...

mer än 8 år ago | 1 answer | 0

1

answer

Question


What is the most efficient way to export data from Simulink?
There are different options to export data from Simulink, such as data logging, To Workspace block, To File block etc. Which one...

nästan 9 år ago | 1 answer | 0

1

answer

Question


Error when trying to run multiple instances of Simulink model in rapid accelerator mode?
When I run the model on one instance of Matlab in rapid accelerator mode, it just works fine. I can also run the model by openin...

nästan 9 år ago | 1 answer | 0

1

answer

Question


Is it possible to have a vector input to a Simulink if-statement block?
I am working on vectorising my model and I got stuck when I tried to vectorise the if-statement block. I wonder if it is possi...

mer än 9 år ago | 1 answer | 0

1

answer