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José Goulart


Universidade de São Paulo

Last seen: 3 years 前 |  自 2011 起处于活动状态

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Electrical Engineering Master degree student
Professional Interests: Nonlinear System Theory, System identification, Signal processing

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Wrong result when using BLAS dot product routine (DDOT) from a MEX file
Hello, I am trying to call some BLAS routines from MEX code. First, I am trying to compute a scalar product with the fuction ...

9 years 前 | 1 个回答 | 0

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Unexpected numerical errors in matrix/vector multiplication
Hi, I have observed an apparently very strange behavior when running a Matlab script. I have a very long data vector t (wit...

10 years 前 | 1 个回答 | 1

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which pdf should be choose for a System Identification and prediction based on Expectation maximisation?
Armand, To model a system using system identification, one approach commonly used is the so called prediction error approach,...

13 years 前 | 0

提问


Numerical integration "backwards"
Hello everyone, I have a system of nonlinear equations on the form x1' = f1(x1,x2,x3) x2' = f2(x1,x2,x3) x3' = f3(x...

13 years 前 | 1 个回答 | 0

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FFT of a sine sweep
Yes, there is. In fact, the expression of the Fourier Transform for a linear sweep involves a constant of A/2, where A is the...

13 years 前 | 0

已回答
FFT on a segment of a signal
Function findpeaks() finds all the local maxima on your data. After that you would have to find the largest of the points return...

14 years 前 | 0

| 已接受

已回答
Constant in a transfer function
Elias, I think this is happening because you haven't defined a value to the b variable yet. For instance, if you try this inste...

14 years 前 | 2

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