SIGN_REVERSE - elementwise sign reversal (entire matrix operation)

This procedure implements a sign reversal on the specified block of elements.

Usage

The SIGN_REVERSE stored procedure has the following syntax:

SIGN_REVERSE(matrixIn,matrixOut)

Parameters

matrixIn: The name of the input matrix.; Type: NVARCHAR(ANY)
matrixOut: The name of the output matrix.; Type: NVARCHAR(ANY)

Returns

BOOLEAN TRUE, if successful.

Examples

call nzm..shape('1,2,3,4,5,0,6,7,8,9',4,4,'A'); 
call nzm..sign_reverse('A','B'); 
call nzm..print('A');
call nzm..print('B');
call nzm..delete_matrix('A');
call nzm..delete_matrix('B');

 SHAPE
-------
 t
(1 row)

 SIGN_REVERSE
--------------
 t
(1 row)

                         PRINT
-------------------------------------------------------------
-- matrix: A --
 1, 2, 3, 4
 5, 0, 6, 7
 8, 9, 1, 2
 3, 4, 5, 0
(1 row)

                          PRINT
-------------------------------------------------------------
-- matrix: B --
 1, -2, -3, -4
 -5, -0, -6, -7
 -8, -9, -1, -2
 -3, -4, -5, -0
(1 row)

 DELETE_MATRIX
---------------
 t
(1 row)

 DELETE_MATRIX
---------------
 t
(1 row)