| // SPDX-FileCopyrightText: The Eigen Authors | |
| // SPDX-License-Identifier: MPL-2.0 | |
| #include <Eigen/Core> | |
| #include <iostream> | |
| int main() { | |
| int const N = 5; | |
| Eigen::MatrixXi A(N, N); | |
| A.setRandom(); | |
| std::cout << "A =\n" << A << '\n' << std::endl; | |
| std::cout << "A(1..3,:) =\n" << A.middleCols(1, 3) << std::endl; | |
| return 0; | |
| } |