# Fawad Farooq Ashraf

### Beihang University, Beijing, China

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MATLAB

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English

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Question

Drag and Drop Custom Blocks on UIAxes in MATLAB

Hello. I'm trying to build an app on the MATLAB App Designer. The app is about Path Planning and Path Following of a Ground Vehi...

12 months ago | 1 answer | 0

### 1

answerQuestion

Rate Transition Data Control

I'm implementing an Extended Kalman Filter on SIMULINK for sensor fusion. I have Accelerometer, Gyroscope, GPS and a magnetomete...

1 year ago | 1 answer | 0

### 1

answerQuestion

Plot a function of three variables on a surface plot

Hello. I have some experimental data of electric field E. The values were measured along three axes x, y and z such that: along ...

1 year ago | 1 answer | 0

### 1

answerQuestion

4D Table Interpolation

I have a data set in four variables (alpha,beta,gamma,lambda). Here alpha is a 10 element vector, beta is a 8 element vector, b...

2 years ago | 1 answer | 0

### 1

answerQuestion

Figure Subplot Tiles Customization

I want to create a figure containing subplots such that there are 3 columns. The first two columns are supposed to have three su...

2 years ago | 1 answer | 0

### 1

answerQuestion

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 = ...

2 years ago | 1 answer | 0

### 1

answerQuestion

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 ...

2 years ago | 2 answers | 0

### 2

answersQuestion

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 years ago | 1 answer | 0

### 1

answerSolved

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...

2 years ago

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); ...

2 years ago | 1

| 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; ...

2 years ago | 1 answer | 0

### 1

answerQuestion

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 ...

2 years ago | 1 answer | 0

### 1

answerQuestion

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...

2 years ago | 1 answer | 0

### 1

answerDatasetRef; parsim: 'Unable to read file ... No such file or directory'

try to use simOut = parsim(simIN,'TransferBaseWorkspaceVariables','On');

2 years 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...

3 years ago | 1 answer | 0

### 1

answerQuestion

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'...

3 years ago | 0 answers | 0

### 0

answersQuestion

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 ...

3 years ago | 1 answer | 0

### 1

answerSolved

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:...

3 years 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...

3 years 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 ...

3 years 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...

3 years ago | 1 answer | 0

### 1

answerQuestion

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....

3 years ago | 5 answers | 1

### 5

answersQuestion

'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 ...

3 years ago | 1 answer | 1

### 1

answerQuestion

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...

3 years ago | 1 answer | 0

### 1

answerQuestion

Alternative for nested for loop

I need to implement this logic to make combinations of a matrix. This code is a bit cumbersome since I need to add more rows and...

3 years ago | 1 answer | 0