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Ahmed Rashid


Chalmers Tekniska Högskola

Last seen: meer dan 3 jaar 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.

bijna 5 jaar 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

meer dan 8 jaar 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...

meer dan 8 jaar 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...

meer dan 8 jaar 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)

meer dan 8 jaar 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...

meer dan 8 jaar 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...

meer dan 8 jaar 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 ...

meer dan 8 jaar ago | 0

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

meer dan 8 jaar ago | 0

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

meer dan 8 jaar 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...

meer dan 8 jaar 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...

meer dan 8 jaar 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...

meer dan 8 jaar 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...

meer dan 8 jaar 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...

meer dan 8 jaar 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 ...

meer dan 8 jaar 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...

bijna 9 jaar ago | 1 answer | 0

1

answer

Solved


Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

bijna 9 jaar ago

Solved


Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

bijna 9 jaar ago

Solved


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

bijna 9 jaar ago

Solved


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

bijna 9 jaar ago

Solved


radius of a spherical planet
you just measured its surface area, that is the input.

bijna 9 jaar ago

Solved


Is my wife right?
Regardless of input, output the string 'yes'.

bijna 9 jaar ago

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...

bijna 9 jaar 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...

meer dan 9 jaar ago | 1 answer | 0

1

answer