Tutorial_ArrayClass_addition.cpp

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#include <Eigen/Dense>
#include <iostream>
 
int main()
{
  Eigen::ArrayXXf a(3,3);
  Eigen::ArrayXXf b(3,3);
  a << 1,2,3,
       4,5,6,
       7,8,9;
  b << 1,2,3,
       1,2,3,
       1,2,3;
       
  // Adding two arrays
  std::cout << "a + b = " << std::endl << a + b << std::endl << std::endl;
 
  // Subtracting a scalar from an array
  std::cout << "a - 2 = " << std::endl << a - 2 << std::endl;
}