From 44861dcbfeee041223c4aac1ee075e92fa4daa01 Mon Sep 17 00:00:00 2001 From: Stanislaw Halik Date: Sun, 18 Sep 2016 12:42:15 +0200 Subject: update --- eigen/doc/examples/tut_arithmetic_dot_cross.cpp | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 eigen/doc/examples/tut_arithmetic_dot_cross.cpp (limited to 'eigen/doc/examples/tut_arithmetic_dot_cross.cpp') diff --git a/eigen/doc/examples/tut_arithmetic_dot_cross.cpp b/eigen/doc/examples/tut_arithmetic_dot_cross.cpp new file mode 100644 index 0000000..631c9a5 --- /dev/null +++ b/eigen/doc/examples/tut_arithmetic_dot_cross.cpp @@ -0,0 +1,15 @@ +#include +#include + +using namespace Eigen; +using namespace std; +int main() +{ + Vector3d v(1,2,3); + Vector3d w(0,1,2); + + cout << "Dot product: " << v.dot(w) << endl; + double dp = v.adjoint()*w; // automatic conversion of the inner product to a scalar + cout << "Dot product via a matrix product: " << dp << endl; + cout << "Cross product:\n" << v.cross(w) << endl; +} -- cgit v1.2.3