Duc Anh Le
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Question
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
1
answerQuestion
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
1
answerQuestion
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
1
answerQuestion
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
0
answersQuestion
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
1
answerQuestion
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
1
answerQuestion
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
1
answerQuestion
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
1
answerQuestion
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
1
answerQuestion
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
0
answersQuestion
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