| // SPDX-FileCopyrightText: The Eigen Authors | |
| // SPDX-License-Identifier: MPL-2.0 | |
| #include <iostream> | |
| #include <Eigen/Dense> | |
| using Eigen::MatrixXd; | |
| int main() { | |
| MatrixXd m(2, 2); | |
| m(0, 0) = 3; | |
| m(1, 0) = 2.5; | |
| m(0, 1) = -1; | |
| m(1, 1) = m(1, 0) + m(0, 1); | |
| std::cout << m << std::endl; | |
| } |