Linda

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Active since 2012

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lasso sparse regression on Y matrix
Hello, I have a data matrix Y (N x M) on which I want to fit a GLM specified by the design matrix X (N x P). An easy way of e...

13 years ago | 1 answer | 0

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fminsearch on a large parameter set
hey, I would like to estimate the 85 parameters of a given objective function. I am sure fminsearch.m cannot do that, as the ...

13 years ago | 1 answer | 0

1

answer

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sample vectors with pre-defined angle
hello, i want to sample a couple of vectors in a high-dimensional space (using randn), with the constraint that all these vec...

13 years ago | 2 answers | 0

2

answers

Question

bars turn black when overplotted
Hello, I want to overplot three bar graphs: figure; bar(data1);hold on; bar(data2,'r');hold on; bar(data3,'g');hol...

13 years ago | 0 answers | 0

0

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Answered
filter.m -- output magnitude
Hello Wayne thank you for your comment, I found it quite useful. The system seems stable (all inside the unit circle). Howeve...

13 years ago | 0

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filter.m -- output magnitude
Dear community, I want to impose an autocorrelative structure on a random vector, so that its autocorrelation matches the one...

13 years ago | 2 answers | 0

2

answers

Answered
generating autocorrelated time series based on data
honglei, thank you very much for your reply. after lag = 3, the autocorrelation becomes less than 1 % (and negative), so i tr...

13 years ago | 0

Question

generating autocorrelated time series based on data
hello all, i would be very grateful for advise on the following problem: i have a autocorrelated time series and i am trying ...

13 years ago | 2 answers | 0

2

answers