doc/snippets/MatrixBase_applyOnTheLeft.cpp

*bf2c3715SXin LiMatrix3f A = Matrix3f::Random(3,3), B;
*bf2c3715SXin LiB << 0,1,0,
*bf2c3715SXin Li     0,0,1,
*bf2c3715SXin Li     1,0,0;
*bf2c3715SXin Licout << "At start, A = " << endl << A << endl;
*bf2c3715SXin LiA.applyOnTheLeft(B);
*bf2c3715SXin Licout << "After applyOnTheLeft, A = " << endl << A << endl;