function RowExchange(i: Integer; j: Integer): TMtxInt;
Exchanges two matrix Rows.
| # | Name | Type | Description |
|---|---|---|---|
| 1 | i | Integer | |
| 2 | j | Integer |
Result: stored in self (calling object), returns self for chaining
Remarks:
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).
Examples
var A,B: TMtxInt;
begin
CreateIt(A,B);
try
A.SetIt(2,2,[1,3,
2,4]);
B.RowExchange(0,1);
// B becomes:
// [2,4,
// 1,3]);
finally
FreeIt(A,B);
end;
end;See Also: TMtxInt.ColExchange