CREATE_IDENTITY_MATRIX - create an identity matrix

This procedure creates an entity matrix of the size specified.

Usage

The CREATE_IDENTITY_MATRIX stored procedure has the following syntax:

CREATE_IDENTITY_MATRIX(matrixOut,size)

Parameters

matrixOut: The name of the matrix to be generated.; Type: NVARCHAR(ANY)
size: The number of rows and columns in the matrix.; Type: INT4

Returns

BOOLEAN TRUE, if successful.

Details

An identity matrix is a square matrix with values of one (1) along the main diagonal and values of zero (0) elsewhere.

Examples

CALL nzm..CREATE_IDENTITY_MATRIX('A', 5);
CALL nzm..PRINT('A');
CALL nzm..DELETE_MATRIX('A');

 CREATE_IDENTITY_MATRIX
------------------------
 t
(1row)

                                      PRINT
---------------------------------------------------------------------------------------
 -- matrix:A --
1, 0, 0, 0, 0
0, 1, 0, 0, 0
0, 0, 1, 0, 0
0, 0, 0, 1, 0
0, 0, 0, 0, 1
(1 row)

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