vandermonde INDEX

VANDERMONDE _ _ _ _ _ _ _ _ _ _ _ _ operator

syntax:

vandermonde({<expr\_list>})

(If you are feeling lazy then the braces can be omitted.)

<expr\_list> :- list of algebraic expressions.

vandermondecreates the vandermonde matrix from the <expr\_list>.

This is the square matrix in which the (i,j)'th entry is <expr\_list>(i)^(j-1).

It has dimension n where n is the number of expressions.

examples:

             
vandermonde({x,2*y,3*z}); 


  [          2 ]
  [1   x    x  ]
  [            ]
  [           2]
  [1  2*y  4*y ]
  [            ]
  [           2]
  [1  3*z  9*z ]