Syntax Supported by the IML Procedure and the iml Action

ISEMPTY (m) ;

This function is supported by the IML procedure and the iml action.

The ISEMPTY function is part of the IMLMLIB library. An empty matrix has no rows or columns. The ISEMPTY function returns 1 if its argument is an empty matrix; otherwise, the function returns 0 as shown in the following example:

free x;   /* an empty matrix */
isX = IsEmpty(x);
y = 1:5;
isY = IsEmpty(y);
print isX isY;