Function DETERMINANT


Slots on this function:

Documentation:
Function that returns the determinant of a matrix It has relevant informations such as if determinant = 0 the the matrix cannot be inverted

Axioms:

(=> (And (Square-Matrix ?M))
    (= (Determinant ?M)
       (Cond ((= 1 (Size ?M)) (Value ?M 1 1))
             ((< 1 (Size ?M))
              (Summation (Lambda (?J)
                                 (* (Value ?M 1 ?J)
                                    (Cofactor ?M 1 ?J)))
                         1
                         (Size ?M))))))