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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...
plus de 5 ans il y a | 1 réponse | 0
1
réponseQuestion
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...
plus de 5 ans il y a | 1 réponse | 0
1
réponseQuestion
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]; ...
plus de 5 ans il y a | 1 réponse | 0
1
réponseQuestion
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...
plus de 5 ans il y a | 1 réponse | 0
0
réponseQuestion
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...
plus de 5 ans il y a | 1 réponse | 0
1
réponseQuestion
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...
plus de 5 ans il y a | 1 réponse | 0
1
réponseQuestion
Givens rotation QR decomposition
I'm trying to create a function that computes the Givens Rotation QR decomposition, following this pseudo-code. function [...
plus de 5 ans il y a | 1 réponse | 0
1
réponseQuestion
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'...
presque 6 ans il y a | 1 réponse | 0
1
réponseQuestion
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...
plus de 6 ans il y a | 1 réponse | 0
1
réponseQuestion
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...
plus de 6 ans il y a | 1 réponse | 0
0
réponseQuestion
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?
plus de 6 ans il y a | 1 réponse | 0
