From 44861dcbfeee041223c4aac1ee075e92fa4daa01 Mon Sep 17 00:00:00 2001 From: Stanislaw Halik Date: Sun, 18 Sep 2016 12:42:15 +0200 Subject: update --- eigen/unsupported/doc/examples/MatrixSine.cpp | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 eigen/unsupported/doc/examples/MatrixSine.cpp (limited to 'eigen/unsupported/doc/examples/MatrixSine.cpp') diff --git a/eigen/unsupported/doc/examples/MatrixSine.cpp b/eigen/unsupported/doc/examples/MatrixSine.cpp new file mode 100644 index 0000000..9eea9a0 --- /dev/null +++ b/eigen/unsupported/doc/examples/MatrixSine.cpp @@ -0,0 +1,20 @@ +#include +#include + +using namespace Eigen; + +int main() +{ + MatrixXd A = MatrixXd::Random(3,3); + std::cout << "A = \n" << A << "\n\n"; + + MatrixXd sinA = A.sin(); + std::cout << "sin(A) = \n" << sinA << "\n\n"; + + MatrixXd cosA = A.cos(); + std::cout << "cos(A) = \n" << cosA << "\n\n"; + + // The matrix functions satisfy sin^2(A) + cos^2(A) = I, + // like the scalar functions. + std::cout << "sin^2(A) + cos^2(A) = \n" << sinA*sinA + cosA*cosA << "\n\n"; +} -- cgit v1.2.3