TMtx.RowExchange Method

Summary

Exchanges two matrix rows.

Class
TMtx

Declaration

Function RowExchange(i, j: integer): TMtx;

Description

Exchange the i-th and j-th rows of the calling matrix in-place. An exception is raised if matrix bounds are overrun. The indexes i and j are zero based. (the first row has index 0).

See Also
ColExchange

Example 1

      var  A,B: TMtx;
      begin
        CreateIt(A,B);
        try
          A.SetIt(2,2,False,[1,3,
                             2,4]);
          B.RowExchange(0,1);
          // B becomes:
          // [2,4,
          //  1,3]);
        finally
          FreeIt(A,B);
        end;
      end;