eigenvalue

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Eigen decomposition of a matrix of form W * diag(S) * W' for matrix exponential in MATLAB

W is a tall and skinny real valued matrix, and diag(S) is a diagonal matrix consists of +1 or -1 on the diagonal. I want the eigen decomposition of A = W * diag(S) * W\' where single quote denotes tra[详细]

2023-01-24 20:10 分类：问答
Eigenvector (Spectral) Decomposition

I am trying to find a program in C code that will allow me to compute a eigenvalue (spectral) decomposition for a square matrix. I am specifically trying to find code where the highest eigenvalue (and[详细]

2023-01-08 14:55 分类：问答
Eigenvalues in MATLAB

In MATLAB, when I run the command [V,D] = eig(a) for a symmetric matrix, the largest eigenvalue (and its associated vector) is located in last column. However, when I run it with a non-symmetric matri[详细]

2023-01-08 06:47 分类：问答
Java package for eigenvector/eigenvalues computation?

which java package do you recommend for computing eigenvectors/eigenvalues? I kno开发者_如何学Pythonw about JMathTools and JAMA; do you have some pro/cons for these packages? Other suggestions?For a m[详细]

2023-01-07 21:13 分类：问答
Tool to diagonalize large matrices

I want to compute a diffusion kernel, which involves taking exp(b*A) where A is a large matrix. In order to play with value开发者_高级运维s of b, I\'d like to diagonalize A (so that exp(A) runs quickl[详细]

2023-01-01 00:04 分类：问答
Sorting eigenvectors by their eigenvalues (associated sorting)

I have an unsorted vector of eigenvalues and a related matrix of eigenvectors. I\'d like to sort t开发者_C百科he columns of the matrix with respect to the sorted set of eigenvalues. (e.g., if eigenval[详细]

2022-12-27 22:12 分类：问答
Eigenvalues and Eigenvectors Computation in Intel Math Kernel

Does any know what is the algorithm used for eigenvalues and eigenvectors computatio开发者_运维问答n in Intel Math Kernel library? From the link I can find is that it seems to use pdsyev algorithm, wh[详细]

2022-12-14 05:05 分类：问答
How to formulate eigenvalues?

I\'m using the following code to determine the eigenvalues for array A: A = array([ [1, 2], [4, 5] ]) eigenvals, eigenvecs = eig(A)[详细]

2022-12-07 20:02 分类：问答