[GiNaC-list] bugs in indexed object

[Vladimir V. Kisil]

>>>>> On Sun, 14 Apr 2024 08:01:15 +0000, "Dr. Mithun Bairagi" <bairagirasulpur at gmail.com> said:
    MB> the above program shows the following result:
    MB> A.i.i*B~symbol16.symbol16-A.i.i*B~symbol17.symbol17

    MB> But I think the result should be zero.

    You can get 0 by

  cout <<   expand_dummy_sum(e) << endl;

  Please see GiNaC tutorial for details on expand_dummy_sum() function.
-- 
Vladimir V. Kisil                 http://http://v-v-kisil.rf.gd
  Book:      Geometry of Mobius Maps       https://doi.org/10.1142/p835
  Soft:      Geometry of cycles         http://moebinv.sourceforge.net/
  Jupyter notebooks:        https://github.com/vvkisil?tab=repositories