Yamina chbak

Last seen: 7 dagar ago | Active since 2020

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how to optimize block toeplitz matrix ?
how to optimize block toeplitz matrix in matlab I want to create a block lower triangular with block teoplitz matrice starting ...

20 dagar ago | 1 answer | 0

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Boundary Extraction Issue Using Image Restoration Techniques
Hi, I'm working on extracting boundary points from an image, but the output appears inverted. How can I correctly extract bounda...

8 månader ago | 1 answer | 0

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answer

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Slider in Matlab code
MATLAB code is a basic interactive application for visualizing a stochastic process : close all clc % Initialize figure fi...

ungefär ett år ago | 1 answer | 0

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How do I remove points which are far away from the boundary of domain?
Hi, I would like to know how do I remove points which are far away from the boundary of domain, for example % Before % Set...

ungefär 2 år ago | 1 answer | 0

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How to separate two matrices from a single matrice?
Hi, I would like to extract two matrix B and C from a matrix A to get A=B+C, where A=sparse(N,N) with N is a number. Since ind...

ungefär 2 år ago | 1 answer | 0

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Create a new matrix
Let A a matrix and B a vector defined by : A=[ 4 2 7 4 3 5 6 8 8 1]; B= [4 6 7 8]; I wish to know how t...

nästan 3 år ago | 1 answer | 0

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How to take a data form text file to put it in another file?
Hi, I have a text file called File.1.node which contain such as: 45 12 7 1 ( first line ) 1 2 1 1 2 ...

ungefär 3 år ago | 2 answers | 0

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answers

Answered
Modifying a matrix such that each entry can be written in a block of four
a=[1 2 ; 3 4]; A=zeros(2*size(a)); A(1:2,1:2)=a(1); A(1:2,3:4)=a(3); A(3:4,1:2)=a(2); A(3:4,3:4)=a(4); A

mer än 3 år ago | 0

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Why didn't I find the same answer?
Hi, i try to calculate the math in 2 ways, but i couldn't find the same result, i don't why ?. Here is the problem % method 1 ...

mer än 3 år ago | 1 answer | 0

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Question

How to Set Plot Background Color
Hi, I would like to set the backgrourd color of my figures, for example i have and i want like that it's possible ?? tha...

mer än 3 år ago | 1 answer | 0

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Question

Which one is the correct one to calculate
I tried both of those instruction to calculate as : where and with are vectors ( zeros(15,1)) Both leads to different res...

mer än 3 år ago | 1 answer | 0

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How to change the previous result ?
Hi, I want to compute the solution : for n=2,... where . With the initial solution . For example : if n=2, then if n...

mer än 3 år ago | 1 answer | 0

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Question

How to exit from loop function ?
Hi, I need to exit from a loop,should i use break ? here is an example : for j=1:10 if (condition 1) a=5; % example...

nästan 4 år ago | 1 answer | 0

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Question

How to compute the sum term ?
Hi, I hope you can help me in this problem : Compute the sum term solution : which . I don't need % I have two solution...