doc/snippets/MatrixBase_noalias.cpp

*bf2c3715SXin LiMatrix2d a, b, c; a << 1,2,3,4; b << 5,6,7,8;
*bf2c3715SXin Lic.noalias() = a * b; // this computes the product directly to c
*bf2c3715SXin Licout << c << endl;