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Tintin Milou


Last seen: 8 días ago Active since 2015

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Question


Speeding up lsqlin to find the base of a matrix
Hello, I have to solve the following problem over and over again for slightly different values of mu. n = lsqlin(mu-eye(J),z...

13 días ago | 1 answer | 0

1

answer

Question


Finding close-to-linear solution
I am using fsolve within fsolve. The most time spent in my code is on the inner fsolve function which matlab calls 1.5 million t...

3 meses ago | 2 answers | 1

2

answers

Question


fsolve within fsolve -> update initial guess
Hello, I am using fsolve within fsolve. That is, for each iteration of the outer fsolve loop, matlab solves the inner fsolve pr...

3 meses ago | 2 answers | 0

2

answers

Question


Remove equal sign and quotation marks in readtable
I am trying to read a csv file that includes both text and numbers. Here is a screenshot of the file. I am using the followi...

4 meses ago | 1 answer | 0

1

answer

Question


Matrix multiplication to get covariance matrix
Hi, Is there any chance that the following code could be optimized? The matrices are not sparse. I wonder whether the fact tha...

más de 1 año ago | 2 answers | 0

2

answers

Question


extract part of fints
Hi, I have a fints object called x1, containing a column of dates and one column of values. I want to extract the following ...

más de 7 años ago | 0 answers | 0

0

answers

Question


How to choose subset of cell arrays?
Hi all, I have the following problem: I have 30 experiments and would like to plot them several graphs. The user should be ab...

más de 7 años ago | 2 answers | 0

2

answers

Question


How to avoid a loop that contains if statements
Hi all, I've got this loop that I'm trying to get rid of, in the hope of saving on computational time. Here is the basic ...

más de 7 años ago | 1 answer | 0

1

answer

Question


How to add matrices dimension by dimension without using a loop?
Hi all, I've got this huge loop that takes a lot of time to be computed: for i1=1:xN for j1=1:zN f...

más de 7 años ago | 1 answer | 0

1

answer