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calculate svd in sliding windows
Hi, I have a large matrix and I need to calculate the svd of a sliding window inside the matrix. That is: at every position, ...

8 years ago | 0 answers | 0

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Question

memory requirement for ode solvers
Hi, I have a large set of ODEs solved by ode45. It works fine but take a bit long. I tried to use other ode solvers and all t...

9 years ago | 1 answer | 0

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answer

Question

delay of swt command
Hi, I am trying to decompose a 1D signal with swt command. What I find is that the decomposed signals always have a (negative) ...

9 years ago | 0 answers | 0

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Answered
Matlab GUI does not respond when running ode solvers
Thanks for your quick reply. Calling to drawnow() makes it work better.

9 years ago | 0

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Question

Matlab GUI does not respond when running ode solvers
Hi, I have a program that calls MATLAB's ode solver. It usually takes a long time to complete, during that time, Matlab GUI b...

9 years ago | 2 answers | 0

2

answers

Answered
how to save only part of the solution when calling ODE routines
Thanks! But that is not what I asked. Sorry for the confusion, let me give an example. Say I would like to solve a ODE system...

9 years ago | 0

Question

how to save only part of the solution when calling ODE routines
Hi, I am solving a fairly large system of equations with ode113 but I only need part of the solution to be saved, otherwise a...

9 years ago | 2 answers | 0

2

answers

Question

using DCT for taking spectral derivative
Hi, I have use FFT in matlab to take a function's derivative. Since I always work with real data, can I use DCT to do the same t...

10 years ago | 0 answers | 0

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answers

Question

spectral analysis of repeating damped sine wave
Hi, I have a repeating damped sine wave in time domain and try to do some spectrum analysis of it. The problem is before the ...

10 years ago | 0 answers | 0

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answers