| // SPDX-FileCopyrightText: The Eigen Authors | |
| // SPDX-License-Identifier: MPL-2.0 | |
| ArrayXi ind(5); | |
| ind << 4, 2, 5, 5, 3; | |
| MatrixXi A = MatrixXi::Random(4, 6); | |
| cout << "Initial matrix A:\n" << A << "\n\n"; | |
| cout << "A(all,ind-1):\n" << A(Eigen::placeholders::all, ind - 1) << "\n\n"; |