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Duc Anh Le


Last seen: 4 years ago |  Active since 2019

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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...

4 years ago | 1 answer | 0

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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...

4 years ago | 1 answer | 0

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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]; ...

4 years ago | 1 answer | 0

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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...

4 years ago | 0 answers | 0

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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...

4 years ago | 1 answer | 0

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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...

4 years ago | 1 answer | 0

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

4 years ago | 1 answer | 0

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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'...

4 years ago | 1 answer | 0

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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...

5 years ago | 1 answer | 0

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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...

5 years ago | 0 answers | 0

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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?

5 years ago | 1 answer | 0

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