matrixp INDEX

MATRIXP _ _ _ _ _ _ _ _ _ _ _ _ operator

syntax:

matrixp(<test\_input>)

<test\_input> :- anything you like.

matrixpis a boolean function that returns t if the input is a matrix and nil otherwise.

examples: 



matrixp A; 

  t 


matrixp(doodlesackbanana);

  nil

Related functions: squarep, symmetricp.