Duc Anh Le

Last seen: 5年以上前 | 2019 年からアクティブ

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質問

Column indexing with condition
I have two matrices A = [1, 0, 0; 0, -2, 0; 0, 0, -3]; B =[1, 2, 3; 4, 5, 6; 7, 8, 9]; I need to...

5年以上前 | 1 件の回答 | 0

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質問

SVD computation using eig function
I'm trying to find the Singular Value Decomposition of a rectangular matrix by calculating the eigenvalues and eigenvectors of a...

5年以上前 | 1 件の回答 | 0

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質問

Eigenvectors and the null function
I have a matrix D and I want to find eigenvectors using the null-function and known eigenvalues: D = [2 -1; -1 3]; ...

5年以上前 | 1 件の回答 | 0

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質問

Divide and conquer SVD algorithm
I'm trying to implement Divide and Conquer SVD, but my code is not working. Can somebody help me fix it? Thanks. EDIT: Note t...

5年以上前 | 0 件の回答 | 0

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質問

Sum of series with a variable
I have the function , where are i-th components of given vectors respectively. I need to implement it Matlab and find the root...

5年以上前 | 1 件の回答 | 0

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質問

Does there exist a QL decomposition?
I've read about the QR-decomposition and I wonder if there is an algorithm that does the factorization is a lower triangular ma...

6年弱前 | 1 件の回答 | 0

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質問

Givens rotation QR decomposition
I'm trying to create a function that computes the Givens Rotation QR decomposition, following this pseudo-code. function [...

6年弱前 | 1 件の回答 | 0

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質問

Plot doesn't show anything
I'm trying to plot the orbit diagram of the logistic map, but the plot doesn't show anything. There are no error messages, so I'...

約6年前 | 1 件の回答 | 0

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質問

Computational time of qr, svd and eig?
How does the time for qr depend on the dimensions of the matrix m and n (does it depend on on the type of linear systems: overd...

6年以上前 | 1 件の回答 | 0

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質問

How does the time for the backslash operator depend on the type of linear systems?
How does the time for the backslash operator depend on the type of linear systems (overdetermined and underdetermined)? Does it...

6年以上前 | 0 件の回答 | 0

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質問

How to generate random matrices that are rank-deﬁcient by generating their SVD ﬁrst?
How to generate random matrices that are rank-deﬁcient by generating their SVD ﬁrst?

6年以上前 | 1 件の回答 | 0

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