eigenvector

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How to calculate the eigenvector of a column stochastic matrix in C++

I have a column stochastic matrix A(n-by-n real, non-negative matrix) and want to solve the following equation in C++: Ax=x[详细]

2023-01-28 06:10 分类：问答
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
How to improve accuracy rate on Eigenface Algorithm

I use EmguCV library(openCV wrapper) on C# to implemented face detection and facial recognition using Eigenface algorithm[详细]

2023-01-15 19:55 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
Eigenvector centrality

I am new to programming and I am trying to calculate the eigenvector centrality of an directed graph mapping onto a social network. These are large matrices. I know how to calculate eigenvectors and t[详细]

2023-01-08 11:49 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
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
Eigenvector computation using OpenCV

I have this matrix A, representing similarities of pixel intensities of an image. For example: Consider a 10 x 10 image. Matrix A in this case would be of dimension 100 x 100, and element A(i,j) would[详细]

2022-12-13 14:16 分类：问答