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Junho Kweon


Last seen: 6 månader ago |  Active since 2018

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Doctoral student in Electrical Engineering at Penn State

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Answered
chol() gives error for a (barely) positive definite matrix.
There is quite well-developed code nearestSPD, which can solve the minor round-off error as @Christine Tobler mentioned. The cod...

nästan 2 år ago | 0

Question


How can I derive inverse of the matrix with infinite determinant?
Hi guys, there is a matrix A which has finite dimension and finite-valued elements. However, because of its large size and valu...

ungefär 2 år ago | 4 answers | 0

4

answers

Question


How can I convert a function with multivariable input to a function with single vector input?
Hi, I want to use fmincon, and fmincon can deal with only function with single vector input. When my formula is as below, it wo...

nästan 3 år ago | 1 answer | 0

1

answer

Question


How to take a part of matrix, which is function result?
My code is like this. A = [1 2; 3 4]; B = sum(A) % I want to use fft or other functions rather than 'sum' x = B(1) ...

mer än 6 år ago | 1 answer | 0

1

answer