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# Fawad Farooq Ashraf

Last seen: 22 dagar ago Active since 2021

Programming Languages:
MATLAB

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Question

Vectorize Matrix Formation & Multiplication
How can I vectorize the following code clear;clc t = 1:10; v = rand(10,3); a = rand(10,1); m = 6:15; n = 6:15; M = ...

22 dagar ago | 1 answer | 0

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Question

Hold a value indefinitely once a condition becomes true
I have a simulink block diagram which gives true or false based on a condition (relational operator). My problem is that once I ...

ungefär 2 månader ago | 2 answers | 0

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Question

Counting Consecutive Threshold Crossings in a Signal (Counting Oscillations)
I have an oscillating signal in a SIMULINK model and I want to count the number of times it crosses a certain threshold level (p...

2 månader ago | 1 answer | 0

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Solved

Assign matrix rows/columns to separate variables
This is a slight variant of <http://www.mathworks.com/matlabcentral/cody/problems/2668-assign-matrix-elements-to-separate-variab...

Plot a structure array without a loop
I think I've found the answer to this myself. figure(1);hold on;grid on;box on; p = arrayfun(@(a) plot(a.x,a.y,'.-'),DATA); ...

4 månader ago | 0

| accepted

Question

Plot a structure array without a loop
I ran a Monte-Carlo with 300 simulation runs and I stored the output data for each run in a structure as DATA(i).x = outputX; ...

4 månader ago | 1 answer | 0

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Question

Length/Index based if else statements
I have a vector of variable length, for example b = [0.25;0.5;0.75;1;1.5;1.75;2.0]; and based on the length of this vector, I ...

7 månader ago | 1 answer | 0

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Question

Bar Plot Legend and Axes
I have some data which I plotted as, What I want to do would look something similar to, I opened another figure and copied...

9 månader ago | 1 answer | 0

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DatasetRef; parsim: 'Unable to read file ... No such file or directory'
try to use simOut = parsim(simIN,'TransferBaseWorkspaceVariables','On');

10 månader ago | 0

| accepted

Question

Disabling Data Logging in Simulink
I have a simulation on simulink with many to-file and to-workspace blocks in it. However, now I want to run a monte-carlo analys...

10 månader ago | 1 answer | 0

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Question

Scaling down values to plot on the same figure
I have a dataset with x and y values (basically a trajectory plot). I've plotted them as shown in the attached figure. I'...

10 månader ago | 0 answers | 0

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Question

Using parsim with SIMULINK model containing c-mex s-functions
I have a simulation with multiple S-functions (level 2 written in c++). I want to run a Monte-Carlo analysis for my problem and ...

10 månader ago | 1 answer | 0

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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:...

mer än ett år ago

How to Fill matrix rows with another row?
Well you could find the indices of all the nonzero rows for a matrix A as idx = find(~all(A==0,2)); and then you can replicate...

mer än ett år ago | 0

Search for optimal values of variables
I figured this out. And I'd share how i did it, in case anyone else encounters the same problem. I used fmincon with objective ...

mer än ett år ago | 0

| accepted

Question

Search for optimal values of variables
I have two parameters c1 & c2 as variables which I pass to a function and it returns x as 0 or 1 (not logical operators but valu...

mer än ett år ago | 1 answer | 0

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Question

Equivalent of c++'s NULL or python' s None in MATLAB
I have a c++ code where certain variables (as well as certain user defined class objects) are set to NULL under some conditions....

mer än ett år ago | 5 answers | 0

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Question

'n' number of nested for loops
I have a cell array M with 4 cell elements and each cell element has a 8x2 matrix. I'm trying to making different combinations ...

mer än ett år ago | 1 answer | 1

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Question

Transformation of a MATLAB Function.
I have a function defined as, f_xw = @(x,w) [3.*x(1) - x(1).^2/7 + w(1); -2.*x(2) + w(2)]; I want to transfor...

mer än ett år ago | 1 answer | 0