OpenCV/Basics/Matrix

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Matrix.cxx

#include "cv.h"
 
#include <iostream>
 
using namespace cv;
 
int main()
{
  Mat R(3,3,CV_32FC1);
 
  for(unsigned int i = 0; i < 3; i++)
    {
    for(unsigned int j = 0; j < 3; j++)
      {
      R.at<float>(i,j) = 2;
      }
    }
 
 
  for(unsigned int i = 0; i < 3; i++)
    {
    for(unsigned int j = 0; j < 3; j++)
      {
      std::cout << R.at<float>(i,j) << std::endl;
      }
    }
 
  return 0;
}

CMakeLists.txt

cmake_minimum_required(VERSION 2.6)
 
PROJECT(Matrix)
 
FIND_PACKAGE(OpenCV REQUIRED )
INCLUDE_DIRECTORIES( ${OPENCV_INCLUDE_DIR} )
 
 
ADD_EXECUTABLE(Matrix Matrix.cxx)
TARGET_LINK_LIBRARIES(Matrix ${OpenCV_LIBS})