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Marina


Active since 2014

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How can I export the "elapsed time" (tic-toc result) to excel?
I have run a function, and I have exported with xlswrite all the variables in excel. Now I want to export in Excel the elapsed t...

mer än 10 år ago | 1 answer | 0

1

answer

Question


polynomial, L curve, Tikhonov regularization
Hi I have a high order (order 5) polynomial, and I was wondering if I can apply Tikhonov regularization for it. Would it work...

mer än 10 år ago | 0 answers | 0

0

answers

Question


Higher order polynomial regression
I have to run a regression of order 5. My X matrix is 102.1750 108.0515 102.1785 100.9413 102.6634 ...

mer än 10 år ago | 2 answers | 0

2

answers

Question


Why do regression coefficients obtained from Excel and Matlab differ?
Hi I would like to run a regression on the following matrices: X(m,1) and Y(m,1). I wan to run a polynomial regression of or...

mer än 10 år ago | 1 answer | 0

1

answer

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How can I fetch values from 2 vectors of numbers without without changing their format.
Hi, I am asking for a matrix to return values from 2 vectors: one is the company id (a number), the other one is the return acco...

mer än 10 år ago | 2 answers | 0

2

answers

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How can I regress Laguerre polynomials?
Hi! I have to regress Laguerre polynomials, which have the following structure: L0=exp(-0.5*X); L1=exp(-0.5*X)*(1-X); L2=exp...

mer än 10 år ago | 1 answer | 0

1

answer

Question


Can anyone help me to search for ones in the rows of a matrix and replace the remaining ones with zeros?
Hi! I am quite new in Matlab. I have a a matrix with ones and zeros, for ex a = [1 1 0; 1 1 1; 0 1 1]. I want to get a new ma...

nästan 11 år ago | 4 answers | 0

4

answers