Mean

double vector::Mean();
 
double matrix::Mean();
 
vector matrix::Mean(
  ENUM_MATRIX_AXIS  axis      // eksen
   );

   matrixf matrix_a={{10,3,2},{1,8,12},{6,5,4},{7,11,9}};
   Print("matrix_a\n",matrix_a);
 
   vectorf cols_mean=matrix_a.Mean(AXIS_HORZ);
   vectorf rows_mean=matrix_a.Mean(AXIS_VERT);
   float matrix_mean=matrix_a.Mean();
 
   Print("cols_mean ",cols_mean);
   Print("rows_mean ",rows_mean);
   Print("mean value  ",matrix_mean);
 
 
   /*
   matrix_a
   [[10,3,2]
    [1,8,12]
    [6,5,4]
    [7,11,9]]
   cols_mean [6,6.75,6.75]
   rows_mean [5,7,5,9]
   mean value  6.5
   */