ground/gcs/src/libs/eigen/doc/snippets/MatrixBase_computeInverseAndDetWithCheck.cpp

   1 Matrix3d m = Matrix3d::Random();
   2 cout << "Here is the matrix m:" << endl << m << endl;
   3 Matrix3d inverse;
   4 bool invertible;
   5 double determinant;
   6 m.computeInverseAndDetWithCheck(inverse,determinant,invertible);
   7 cout << "Its determinant is " << determinant << endl;
   8 if(invertible) {
   9   cout << "It is invertible, and its inverse is:" << endl << inverse << endl;
  10 }
  11 else {
  12   cout << "It is not invertible." << endl;
  13 }