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add examples for makeJacobi and makeGivens

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This commit is contained in:
Gael Guennebaud
2009-09-03 11:17:16 +02:00
parent c893917d65
commit 16c7b1daab
6 changed files with 49 additions and 12 deletions
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1
doc/Doxyfile.in
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@@ -208,6 +208,7 @@ ALIASES = "only_for_vectors=This is only for vectors (either row-
"lu_module=This is defined in the %LU module. \code #include <Eigen/LU> \endcode" \
"cholesky_module=This is defined in the %Cholesky module. \code #include <Eigen/Cholesky> \endcode" \
"qr_module=This is defined in the %QR module. \code #include <Eigen/QR> \endcode" \
"jacobi_module=This is defined in the %Jacobi module. \code #include <Eigen/Jacobi> \endcode" \
"svd_module=This is defined in the %SVD module. \code #include <Eigen/SVD> \endcode" \
"geometry_module=This is defined in the %Geometry module. \code #include <Eigen/Geometry> \endcode" \
"leastsquares_module=This is defined in the %LeastSquares module. \code #include <Eigen/LeastSquares> \endcode" \

6
doc/snippets/Jacobi_makeGivens.cpp Normal file
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@@ -0,0 +1,6 @@
Vector2f v = Vector2f::Random();
PlanarRotation<float> G;
G.makeGivens(v.x(), v.y());
cout << "Here is the vector v:" << endl << v << endl;
v.applyOnTheLeft(0, 1, G.adjoint());
cout << "Here is the vector J' * v:" << endl << v << endl;

8
doc/snippets/Jacobi_makeJacobi.cpp Normal file
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@@ -0,0 +1,8 @@
Matrix2f m = Matrix2f::Random();
m = (m + m.adjoint()).eval();
PlanarRotation<float> J;
J.makeJacobi(m, 0, 1);
cout << "Here is the matrix m:" << endl << m << endl;
m.applyOnTheLeft(0, 1, J.adjoint());
m.applyOnTheRight(0, 1, J);
cout << "Here is the matrix J' * m * J:" << endl << m << endl;

1
doc/snippets/compile_snippet.cpp.in
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@@ -4,6 +4,7 @@
#include <Eigen/QR>
#include <Eigen/Cholesky>
#include <Eigen/Geometry>
#include <Eigen/Jacobi>
using namespace Eigen;
using namespace std;