CHAR_POLY _ _ _ _ _ _ _ _ _ _ _ _ operator

syntax:

<matrix> :- a square matrix.

<lambda> :- a symbol or algebraic expression.

char_polyfinds the characteristic polynomial of <matrix>. This is the determinant of <lambda> * Id - A. Id is the identity matrix.

examples:

char_poly(A,x); 

   3     2
  x -15*x -18*x

Related functions: char_matrix.