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[Octave-bug-tracker] [bug #55968] [octave forge] (symbolic) Incorrect si


From: Colin Macdonald
Subject: [Octave-bug-tracker] [bug #55968] [octave forge] (symbolic) Incorrect simplify to sinc function
Date: Tue, 26 Mar 2019 15:22:42 -0400 (EDT)
User-agent: Mozilla/5.0 (X11; Fedora; Linux x86_64; rv:65.0) Gecko/20100101 Firefox/65.0

Follow-up Comment #12, bug #55968 (project octave):

I mentioned this earlier but here's a concrete example of function arguments
swapping order in SymPy versus Octave.  See `help @sym/gammainc`:


          syms x a
          gammainc(x, a)
            ⇒ (sym) γ(a, x)
          gammainc(x,a, 'upper')
            ⇒ (sym) Γ(a, x)


Again, maybe its possible to monkey-patch SymPy... but not sure its wise.  But
at least I should add notes to the docs of these functions!  Filed
https://github.com/cbm755/octsympy/issues/952

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