EigenSolver_EigenSolver_MatrixType.cpp File Reference

Functions
cout<< "Here is a random 6x6 matrix, A:"<< endl<< A<< endl<< endl;EigenSolver< MatrixXd >	es (A)
	cout<< "Consider the first eigenvalue, lambda = "<< lambda<< endl;VectorXcd v=es.eigenvectors().col(0);cout<< "If v is the corresponding eigenvector, then lambda * v = "<< endl<< lambda *v<< endl;cout<< "... and A * v = "<< endl<< A.cast< complex< double > > () *v<< endl<< endl

Variables
MatrixXd	A = MatrixXd::Random(6,6)
cout<< "The eigenvalues of A are:"<< endl<< es.eigenvalues()<< endl;cout<< "The matrix of eigenvectors, V, is:"<< endl<< es.eigenvectors()<< endl<< endl;complex< double >	lambda = es.eigenvalues()[0]
MatrixXcd	D = es.eigenvalues().asDiagonal()
MatrixXcd	V = es.eigenvectors()

Function Documentation

cout<< "Consider the first eigenvalue, lambda = "<< lambda<< endl;VectorXcd v=es.eigenvectors().col(0);cout<< "If v is the corresponding eigenvector, then lambda * v = "<< endl<< lambda *v<< endl;cout<< "... and A * v = "<< endl<< A.cast< complex< double > >()

cout<< "Consider the first eigenvalue, lambda = "<< lambda<< endl;VectorXcd v=es.eigenvectors().col(0);cout<< "If v is the corresponding eigenvector, then lambda * v = "<< endl<< lambda *v<< endl;cout<< "... and A * v = "<< endl<< A.cast< complex< double > >

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es()

cout<< "Here is a random 6x6 matrix, A:"<< endl<< A<< endl<< endl;EigenSolver< MatrixXd > es

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A

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Variable Documentation

A

MatrixXd A = MatrixXd::Random(6,6)

D

MatrixXcd D = es.eigenvalues().asDiagonal()

lambda

cout<< "The eigenvalues of A are:" << endl << es.eigenvalues() << endl;cout << "The matrix of eigenvectors, V, is:" << endl << es.eigenvectors() << endl << endl;complex<double> lambda = es.eigenvalues()[0]

V

MatrixXcd V = es.eigenvectors()