[GiNaC-list] symbolic matrix

[Vladimir V. Kisil]

		Hello Luis,

>>>>> On Mon, 19 Jan 2009 22:01:47 +0100 (CET), Luis Rivera <luis.rivera at laposte.net> said:
    LR> Thanks for your answer. Yes, if I use the code below it works.
    LR> Could you explain me in few words why it should be so?

	To make a proper sense of expression A(0,0) the compiler should be told that A
  shall be considered a matrix. This also shall be done if you call
  class-specific methods for other GiNaC classes.

  Best wishes,
  Vladimir
-- 
Vladimir V. Kisil     email: kisilv at maths.leeds.ac.uk
--                      www: http://maths.leeds.ac.uk/~kisilv/