Community Profile # Hajar Alshaikh

Last seen: 7 mois il y a Actif depuis 2022

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create a loop then solve system of equations
I will explain what i want then i will show my code which is not work as what i want I have a matrix A given, n=size(A,1)...

7 mois il y a | 1 réponse | 0

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Question

Unrecognized function or variable 'yalmip'.
matlab should known sdpvar in the code becuse if i used help it give me the meaning of it but it said instead Unrecognized ...

7 mois il y a | 1 réponse | 0

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Question

density meaning and when we should use it
what do you mean by : for density=.2:.01:.2 and what is the benifit of using the desity in matlab code (when we should use it...

7 mois il y a | 1 réponse | 0

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Question

solve constraint optimization problem
I want to solve constraint optimization problem : min||M||^2 , where the norm is the frobinus norm and M is 2×2 matrix =[1 x;x...

7 mois il y a | 1 réponse | 0

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Question

solve system of matrices
% I want to solve this system f'(A,B)*[dA dB]'=[g(C))+B B*A-eye(n-1)]' but when I found the derivative of f in the left side...

7 mois il y a | 1 réponse | 0

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Question

solve system by converting a matrix to vector
how i can solve like this eqation: Ax=b for x, where A is 2(n-1)×2(n-1) matrix and b is 2(n-1)×(n-1)matrix and x=[u v]' is ...

7 mois il y a | 1 réponse | 0

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Question

problem with starting a loop for matrices
if i have algorithm start with X0, and Y0 as agiven matrices then i want to start a loop should I write for k=1: 30 Z(k)=f(...

7 mois il y a | 1 réponse | 0

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Question

How to create a random n matrix with out any conditions
I know that I can create a random n matrix by using the code rand(n), but this matrix entries will be all between zero and one. ...

10 mois il y a | 1 réponse | 0

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Question

Index in position 2 exceeds array bounds. Index must not exceed 7?
When I run my program some times work and alot of times got this message and I dont know why: Index in position 2 exceeds array...

10 mois il y a | 1 réponse | 0

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Question

replace nan in a matrix with specific values
I do not know why the following code does not work I have a matrix F which has some of nan entries, and i have saved the last r...

10 mois il y a | 1 réponse | 0

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Question

How can I change the Nan values in a matrix by the values in cells array?
f=[1 nan 3 4 5 6;nan 3 nan 5 6 7;3 nan 5 6 nan 8; 4 5 6 7 8 nan;5 6 nan 8 9 0;6 7 8 nan 0 2] % I want to replace each nan value...

11 mois il y a | 2 réponses | 0

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