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Tridiagonalization_Tridiagonalization_MatrixType.cpp
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1
MatrixXd
X
= MatrixXd::Random(5,5);
2
MatrixXd
A
=
X
+
X
.transpose();
3
cout <<
"Here is a random symmetric 5x5 matrix:"
<< endl <<
A
<< endl << endl;
4
Tridiagonalization<MatrixXd>
triOfA
(
A
);
5
MatrixXd
Q
=
triOfA
.matrixQ();
6
cout <<
"The orthogonal matrix Q is:"
<< endl <<
Q
<< endl;
7
MatrixXd
T
=
triOfA
.matrixT();
8
cout <<
"The tridiagonal matrix T is:"
<< endl <<
T
<< endl << endl;
9
cout <<
"Q * T * Q^T = "
<< endl <<
Q
*
T
*
Q
.transpose() << endl;
triOfA
cout<< "Here is a random symmetric 5x5 matrix:"<< endl<< A<< endl<< endl;Tridiagonalization< MatrixXd > triOfA(A)
A
Definition:
test_numpy_dtypes.cpp:298
Eigen::Triplet
A small structure to hold a non zero as a triplet (i,j,value).
Definition:
SparseUtil.h:162
Eigen::Quaternion
The quaternion class used to represent 3D orientations and rotations.
Definition:
ForwardDeclarations.h:293
X
MatrixXd X
Definition:
Tridiagonalization_Tridiagonalization_MatrixType.cpp:1
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autogenerated on Mon Jul 1 2024 03:08:29