smabtahi

Last seen: circa un anno fa | Attivo dal 2011

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Domanda

DWT with gaussian wavelet
Hello everyone How it is possible to use 1-derivative of Gaussian function as the wavelet in dwt? I know that Gaussian wav...

circa 11 anni fa | 1 risposta | 0

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Domanda

how to force lsqnonlin in matlab to give only real output?
Hello everyone I have an optimization problem and I want to solve it with lsqnonlin [x,resnorm] =lsqnonlin(fun,x0) fun...

oltre 12 anni fa | 0 risposte | 0

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Domanda

repeat a matrix as digonal element in a new matrix?
Hi I have a 2D matrix, and I want repeat it a digonal element in a new matrix., somthing like this: A is 2*3 matrix , and ...

oltre 13 anni fa | 2 risposte | 0

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Domanda

command in Matlab equivalent to "forall " in fortran
Hi Is there any command in matlab that can simpilfy such loop: for i=1:10 A(i)=i^2 end as I know in fortran it can b...

oltre 13 anni fa | 2 risposte | 0

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Domanda

Underdetermined optimization problem
Hello everyone I have an optimization problem like this: A = w_1*A_1+w_2*A_2+....w_N*A_N where A is an p*q matrix A...

quasi 14 anni fa | 0 risposte | 0

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Domanda

What cause my process to be killed?
I am using Matlab inside Ubuntu 11.10. many times when I tried to run it, it will be closed and and strange message appears o...

circa 14 anni fa | 0 risposte | 2

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Domanda

How to change M*1*N matrix to M*N matrix
I have a signal M*K*N matrix , and I want to display an slice of signal in xz plane something like: imagesc(a( : , 1, : )) b...

circa 14 anni fa | 2 risposte | 0

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Domanda

about computing fft in wavenumber domain
I have signal distributed in space domain (x,y,z). and I want to calculate its wavenumber doain for (x,ky,z) domain. how can I c...

circa 14 anni fa | 1 risposta | 0

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