doc/snippets/MatrixBase_array_const.cpp

// SPDX-FileCopyrightText: The Eigen Authors
// SPDX-License-Identifier: MPL-2.0

Vector3d v(-1, 2, -3);
cout << "the absolute values:" << endl << v.array().abs() << endl;
cout << "the absolute values plus one:" << endl << v.array().abs() + 1 << endl;
cout << "sum of the squares: " << v.array().square().sum() << endl;