eigen/doc/examples/Tutorial_ReductionsVisitorsBroadcasting_broadcast_simple.cpp

19 lines
322 B
C++

#include <iostream>
#include <Eigen/Dense>
using namespace std;
int main() {
Eigen::MatrixXf mat(2, 4);
Eigen::VectorXf v(2);
mat << 1, 2, 6, 9, 3, 1, 7, 2;
v << 0, 1;
// add v to each column of m
mat.colwise() += v;
std::cout << "Broadcasting result: " << std::endl;
std::cout << mat << std::endl;
}