diff options
author | Stanislaw Halik <sthalik@misaki.pl> | 2019-03-03 21:09:10 +0100 |
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committer | Stanislaw Halik <sthalik@misaki.pl> | 2019-03-03 21:10:13 +0100 |
commit | f0238cfb6997c4acfc2bd200de7295f3fa36968f (patch) | |
tree | b215183760e4f615b9c1dabc1f116383b72a1b55 /eigen/doc/examples/function_taking_ref.cpp | |
parent | 543edd372a5193d04b3de9f23c176ab439e51b31 (diff) |
don't index Eigen
Diffstat (limited to 'eigen/doc/examples/function_taking_ref.cpp')
-rw-r--r-- | eigen/doc/examples/function_taking_ref.cpp | 19 |
1 files changed, 0 insertions, 19 deletions
diff --git a/eigen/doc/examples/function_taking_ref.cpp b/eigen/doc/examples/function_taking_ref.cpp deleted file mode 100644 index 162a202..0000000 --- a/eigen/doc/examples/function_taking_ref.cpp +++ /dev/null @@ -1,19 +0,0 @@ -#include <iostream> -#include <Eigen/SVD> -using namespace Eigen; -using namespace std; - -float inv_cond(const Ref<const MatrixXf>& a) -{ - const VectorXf sing_vals = a.jacobiSvd().singularValues(); - return sing_vals(sing_vals.size()-1) / sing_vals(0); -} - -int main() -{ - Matrix4f m = Matrix4f::Random(); - cout << "matrix m:" << endl << m << endl << endl; - cout << "inv_cond(m): " << inv_cond(m) << endl; - cout << "inv_cond(m(1:3,1:3)): " << inv_cond(m.topLeftCorner(3,3)) << endl; - cout << "inv_cond(m+I): " << inv_cond(m+Matrix4f::Identity()) << endl; -} |