| // SPDX-FileCopyrightText: The Eigen Authors |
| // SPDX-License-Identifier: MPL-2.0 |
| |
| #include <iostream> |
| #include <Eigen/Dense> |
| |
| int main() { |
| Eigen::MatrixXf mat(2, 4); |
| mat << 1, 2, 6, 9, 3, 1, 7, 2; |
| |
| Eigen::Index maxIndex; |
| float maxNorm = mat.colwise().sum().maxCoeff(&maxIndex); |
| |
| std::cout << "Maximum sum at position " << maxIndex << std::endl; |
| |
| std::cout << "The corresponding vector is: " << std::endl; |
| std::cout << mat.col(maxIndex) << std::endl; |
| std::cout << "And its sum is is: " << maxNorm << std::endl; |
| } |