GSL::Eigen.symm(A)
GSL::Eigen.symm(A, workspace)
GSL::Matrix#eigen_symm
GSL::Matrix#eigen_symm(workspace)
GSL::Eigen.symmv(A)
GSL::Matrix#eigen_symmv
These methods compute the eigenvalues and eigenvectors of the real symmetric
matrix, and return an array of two elements.
The first is a GSL::Vector
object which stores all the eigenvalues.
The second is a GSL::Matrix object
, whose columns contain
eigenvectors.
ex1)
require 'gsl' m = GSL::Matrix.new([1.0, 1/2.0, 1/3.0, 1/4.0], [1/2.0, 1/3.0, 1/4.0, 1/5.0], [1/3.0, 1/4.0, 1/5.0, 1/6.0], [1/4.0, 1/5.0, 1/6.0, 1/7.0]) eigval, eigvec = Eigen.symm(m)
ex2)
eigval, eigvec = m.eigen_symmv
GSL::Eigen.herm(A)
GSL::Eigen.herm(A, workspace)
GSL::Matrix#eigen_herm
GSL::Matrix#eigen_herm(workspace)
GSL::Eigen.hermv(A)
GSL::Eigen.hermv(A, workspace)
GSL::Matrix#eigen_hermv
GSL::Matrix#eigen_hermv(workspace