Files
rk35xx-android14/external/eigen/doc/examples/tut_matrix_resize.cpp
T
hmz007 36ed224bac Rockchip Anroid14_SDK 20240628-rkr5 (2556df1a)
Signed-off-by: hmz007 <hmz007@gmail.com>
Change-Id: Ib87fdbe7a0be7dc961af3500fe9ea4589a127f9f
2024-10-29 18:12:02 +08:00

19 lines
489 B
C++

#include <iostream>
#include <Eigen/Dense>
using namespace Eigen;
int main()
{
MatrixXd m(2,5);
m.resize(4,3);
std::cout << "The matrix m is of size "
<< m.rows() << "x" << m.cols() << std::endl;
std::cout << "It has " << m.size() << " coefficients" << std::endl;
VectorXd v(2);
v.resize(5);
std::cout << "The vector v is of size " << v.size() << std::endl;
std::cout << "As a matrix, v is of size "
<< v.rows() << "x" << v.cols() << std::endl;
}