as_column as_row cast conj det elementwise fill generate hermitian horzcat identity imag inverse kron macs mars matmul matrix matrix matrix matrix operator!= operator* operator* operator* operator+ operator+ operator+ operator/ operator/ operator== rank real repmat reshape rref rref submat swapcol swaprow trace transpose vertcat

identity template<typename T , std::size_t N> constexpr matrix<T, N, N> cotila::identity = generate<N, N>([](std::size_t i, std::size_t j) { return T(i == j ? 1 : 0); }) The matrix identity .