Tutorial_ReductionsVisitorsBroadcasting_visitors.cpp

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#include <iostream>
#include <Eigen/Dense>
 
int main()
{
  Eigen::MatrixXf m(2,2);
  
  m << 1, 2,
       3, 4;
 
  //get location of maximum
  Eigen::Index maxRow, maxCol;
  float max = m.maxCoeff(&maxRow, &maxCol);
 
  //get location of minimum
  Eigen::Index minRow, minCol;
  float min = m.minCoeff(&minRow, &minCol);
 
  std::cout << "Max: " << max <<  ", at: " <<
     maxRow << "," << maxCol << std::endl;
  std:: cout << "Min: " << min << ", at: " <<
     minRow << "," << minCol << std::endl;
}