EigenSolver_EigenSolver_MatrixType.cpp File Reference

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

Variables
MatrixXd	A = MatrixXd::Random(6,6)
MatrixXcd	D = es.eigenvalues().asDiagonal()
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	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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Variable Documentation

A

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

Definition at line 1 of file EigenSolver_EigenSolver_MatrixType.cpp.

D

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

Definition at line 14 of file EigenSolver_EigenSolver_MatrixType.cpp.

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]

Definition at line 8 of file EigenSolver_EigenSolver_MatrixType.cpp.

V

MatrixXcd V = es.eigenvectors()

Definition at line 15 of file EigenSolver_EigenSolver_MatrixType.cpp.