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eigen/doc/snippets/MatrixBase_computeInverseAndDetWithCheck.cpp

13 lines
413 B
C++

Matrix3d m = Matrix3d::Random();
cout << "Here is the matrix m:" << endl << m << endl;
Matrix3d inverse;
bool invertible;
double determinant;
m.computeInverseAndDetWithCheck(inverse, determinant, invertible);
cout << "Its determinant is " << determinant << endl;
if (invertible) {
cout << "It is invertible, and its inverse is:" << endl << inverse << endl;
} else {
cout << "It is not invertible." << endl;
}