symbol non-commutative?

Christian Bauer Christian.Bauer at Uni-Mainz.DE
Mon Aug 25 16:56:51 CEST 2003


On Thu, Aug 21, 2003 at 10:24:31PM +0200, Kent-Andre Mardal wrote:
> However, when I make a matrix of and try to solve it, the program abort.  

Aborts with GiNaC usually mean an unhandled exception. Catch and print it,
and it may give you a hint about where the problem is.

Introducing noncommutative objects probably exceeds the domain on which
the algorithm used by the linear solver is defined. Manually choosing a
different algorithm (maybe "solve_algo::divfree"?) may fix this. Richy?


  / Physics is an algorithm

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