libeigen/eigen!2509 Closes #2868 Co-authored-by: Rasmus Munk Larsen <rmlarsen@gmail.com>
17 lines
539 B
C++
17 lines
539 B
C++
// SPDX-FileCopyrightText: The Eigen Authors
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// SPDX-License-Identifier: MPL-2.0
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#include <iostream>
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#include <Eigen/Dense>
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int main() {
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Eigen::MatrixXd m(2, 5);
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m.resize(4, 3);
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std::cout << "The matrix m is of size " << m.rows() << "x" << m.cols() << std::endl;
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std::cout << "It has " << m.size() << " coefficients" << std::endl;
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Eigen::VectorXd v(2);
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v.resize(5);
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std::cout << "The vector v is of size " << v.size() << std::endl;
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std::cout << "As a matrix, v is of size " << v.rows() << "x" << v.cols() << std::endl;
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}
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