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Hussein Ammar


Last seen: 2 years 前 |  自 2017 起处于活动状态

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统计学

  • Thankful Level 2
  • MATLAB Mini Hack Participant
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  • Knowledgeable Level 2
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提问


Why parfor cannot handle this
Hello all, I have faced an issue when using parfor, and I would like to know why parfor cannot handle such logic. My aim from ...

4 years 前 | 1 个回答 | 0

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已回答
How to add to create matrix by combining two columns
Use horzcat, e.g., A=[1;2;3]; B=[4;5;6]; C= horzcat(A,B)

4 years 前 | 0

已回答
problems with fmincon, how to solve?
Your problem is convex, so you can use the CVX package if you want. Also, the solution should be the global minimum; not a local...

4 years 前 | 1

| 已接受

已回答
passing arguments to a function
One way of doing this is to pass an empty argument, e.g., mySum([], 2) or mySum(2, []). So, you can add the following conditions...

4 years 前 | 1

| 已接受

已回答
Right and Bottom Edge Cases Causing Issues in Matrix Transformation: Blur Image Assignment
Hello, why don't you use the following: function [output] = blur(img, w) img = im2double(img); % Convert uint...

4 years 前 | 0

| 已接受

已回答
Table Variable Name "X_|P|" works on my computer.....does not work on anyone elses
This may be related to the version of the Matlab. You may find your answer here. https://www.mathworks.com/matlabcentral/answer...

4 years 前 | 0

已回答
How to display an error if a file doesn't exist
if ~exist('myFileName.EXTENSION','file') disp('Requested file was not found.') end

4 years 前 | 0

提问


Running parallel pools more than CPU physical cores
Dear all, I was wondering if running parallel pools more than the number of dedicated physical cores can make a simulation fast...

4 years 前 | 1 个回答 | 0

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提问


fmincon step size and speed
Hello all, I'm using fmincon to solve a nonconvex optimization problem. Mainly my problem is optimizing some function over a 2D...

5 years 前 | 1 个回答 | 0

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提问


Weird numerical integration behavior
Hello all, Please check this simple example: d1 = 8; d2 = 1.4142; apPDF = @(x1) (1./sqrt(2*pi)) .* exp(-power((d2.*x1./sqrt(...

5 years 前 | 1 个回答 | 0

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Faster numerical integration for vector functions
Dear all, I have an algorithm that has a for loop which contains double numerical integartion. Matlab provides integarl2 with ...

5 years 前 | 1 个回答 | 0

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提问


integral2 global error test
Hello all, I'm using integral2 to evaluate a complex function inside a for loop, so integral2 is being used many times for the ...

5 years 前 | 0 个回答 | 0

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提问


Is this a bug? And if not, why it is defined like that
Hello all, I was wondering why this should happen: clear all N = 10; Q = 9; K = 50; K *(2 + floor(1/N)) >Output: Error...

5 years 前 | 1 个回答 | 2

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提问


Running long simulations on Matlab Online
Hi all, I have Monte-Carlo simulations that take hours to finish (~ 17 hours). I was using a Desktop in my university Lab for...

7 years 前 | 3 个回答 | 0

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