[GiNaC-list] list differentiation

[Vladimir V. Kisil]

>>>>> On Sun, 01 Mar 2015 10:06:42 -0500, soppon <gvitbsord at aol.com> said:

    soppon> Hi. Here two programs. dif1 return 0 for list1 and working
    soppon> well for list2, dif2 return the rigth answer, but if you
    soppon> change table argument x to y on line 12, then get
    soppon> segmentation fault. What should i do?

    Read GiNaC manual, e.g. "5.15.2 Expression input". A symbol may be
  represented by the string "x" but be different from from symbol x.
-- 
Vladimir V. Kisil                 http://www.maths.leeds.ac.uk/~kisilv/
  Book:     Geometry of Mobius Transformations     http://goo.gl/EaG2Vu
  Software: Geometry of cycles          http://moebinv.sourceforge.net/