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Imam


Active since 2014

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Does MATLAB use all cores by default when running a program?
I have been thinking about purchasing MATLAB's Parallel Computing toolbox because I will likely be responsible for some large sc...

nästan 8 år ago | 3 answers | 1

3

answers

Question


Phase of a complex number is wrongly understood to be zero by MATLAB
I am doing a calculation of the phase of a complex number. However, the magnitude of this number is so small (around the order o...

ungefär 8 år ago | 1 answer | 0

1

answer

Question


How to position the y axis on the right in a plot
I have two vectors f(t) and g(t) and I want to plot them in one graph using plotyy. But I also want to do some other things like...

nästan 9 år ago | 1 answer | 0

1

answer

Question


Basis Pursuit Denoising with additional constraint function
I want to solve optimization problem of the type basis pursuit denoising (BPDN). What I want to minimize is the l_1 norm of vect...

mer än 9 år ago | 1 answer | 0

1

answer

Question


Minimization problem involving matrix norm
I have a matrix A of size n x n. This matrix is represented as a linear combination of m basis matrices with expansion coefficie...

mer än 9 år ago | 2 answers | 0

2

answers

Answered
Problem in opening HDF5 file
The problem is I got this file from someone else and as I mentioned I am not very familiar with this file format. That's why I d...

nästan 10 år ago | 0

Question


Problem in opening HDF5 file
I am new to HDF5 file format and there is a file I want to open. I simply followed what is given by mathworks example: hi...

nästan 10 år ago | 3 answers | 0

3

answers

Question


SQRT function doesn't work on uint16 image type
So, my problem is: I have to load an image in png format an represent it as a matrix. I can do it with imread. But as soon as I...

nästan 10 år ago | 1 answer | 0

1

answer

Question


How to solve quadratic equations of nonscalar constants?
Hi guys, I have another question. So I simply want to solve a quadratic equations, well MATLAB has roots function to find the s...

ungefär 10 år ago | 0 answers | 0

0

answers

Question


Taking Average of Nonzero Elements
Hi everyone, I have got 2 questions, I hope someone can help me. The first one is, I have a matrix A where A = 1 2...

ungefär 10 år ago | 1 answer | 0

1

answer

Question


What is the most flexible distribution type in histfit?
Hi guys, So I need to make a plot fit from a histogram using histfit. But I can never get a curve which fits closely to my hi...

ungefär 10 år ago | 1 answer | 0

1

answer

Answered
How to save and then append/augment a matrix into another already existing matrix?
Thanks to you both, that really describes the solution to my problem.

ungefär 10 år ago | 0

Question


How to save and then append/augment a matrix into another already existing matrix?
Hi guys, I have got a brief question about saving a file. I have a file named myfile.mat, (meaning this file already exists) an...

ungefär 10 år ago | 2 answers | 0

2

answers

Answered
How to make a copy of a built-in function and get it to work?
Ok guys, I do appreaciate all of you who have put your thought trying to help me. Just now I tried to redo what I exactly tried ...

ungefär 10 år ago | 0

Question


How to make a copy of a built-in function and get it to work?
I would like to change a built-in function of MATLAB, the histfit function. The problem is this function always give me the same...

ungefär 10 år ago | 4 answers | 0

4

answers

Question


Histogram Fitting with Fixed Interval of the x Axis
So I have a data distribution represented as a histogram. The data itself is generated based on rand function, so that each time...

ungefär 10 år ago | 0 answers | 0

0

answers

Answered
Transformation from spectrum into pulse
I appreciate you efforts Matthew, I tried your last code with the simpler example (no chirp) and it turns out that it gives simi...

mer än 10 år ago | 0

Question


Transformation from spectrum into pulse
I have a chirped pulse of the form E(t) = exp(-t^2)*cos(-15t+7t^2). Which looks like this <</matlabcentral/answers/up...

mer än 10 år ago | 1 answer | 0

1

answer

Question


How to extract x and y data from fitted curve of a histogram?
I have a set of data represented in histogram. I also add a curve fitting onto the histogram of the kind histfit(data,nbins,dist...

mer än 10 år ago | 1 answer | 1

1

answer