ArgMax

ulong vector::ArgMax();
 
ulong matrix::ArgMax();
 
vector matrix::ArgMax(
  const int  axis      // 軸
  );

  matrix matrix_a={{10,3,2},{1,8,12},{6,5,4},{7,11,9}};
  Print("matrix_a\n",matrix_a);
 
  vector cols_max=matrix_a.ArgMax(0);
  vector rows_max=matrix_a.ArgMax(1);
  ulong matrix_max=matrix_a.ArgMax();
 
  Print("cols_max=",cols_max);
  Print("rows_max=",rows_max);
  Print("max index ",matrix_max,"  max value ",matrix_a.Flat(matrix_max));
 
  /*
  matrix_a
  [[10,3,2]
   [1,8,12]
   [6,5,4]
   [7,11,9]]
  cols_max=[0,3,1]
  rows_max=[0,2,0,1]
  max index 5 max value 12.0
  */