Thank you for the help! On Wednesday, August 26, 2020 at 11:02:24 AM UTC-7 Naman Nimmo wrote:
> Hi! > > You can pass in a `Rational`. > > ``` > >>> a = WignerD(Rational(1, 2), Rational(1, 2), Rational(1, 2), pi, pi/2, > 0) > >>> a.doit() > -sqrt(2)*I/2 > > > ``` > > On Wed, Aug 26, 2020 at 11:17 PM Che Liu <cli...@berkeley.edu> wrote: > >> Hi, >> >> Seems like WignerD.doit would error for half integer spin. >> If you run >> [image: Capture.PNG] >> with j = 1/2, >> then an exception is raised in the doit() function: >> [image: Capture.PNG] >> The problem rests in the m_values function. For your reference:[image: >> Capture.PNG] >> Line 56 gives 2.0 for j==1/2, and its is_Integer attribute is false. >> >> The same problem occurs for >> [image: Capture.PNG] >> but not for >> [image: Capture.PNG] >> Any ways to get around it? >> My sympy version is 1.6.2, and I run these on a Windows system. >> >> Thanks >> >> -- >> You received this message because you are subscribed to the Google Groups >> "sympy" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to sympy+un...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/sympy/c3aa6eac-fc9c-4b2e-bd8c-e539bcb3dfa4n%40googlegroups.com >> >> <https://groups.google.com/d/msgid/sympy/c3aa6eac-fc9c-4b2e-bd8c-e539bcb3dfa4n%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- You received this message because you are subscribed to the Google Groups "sympy" group. To unsubscribe from this group and stop receiving emails from it, send an email to sympy+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sympy/991a481a-e2bc-45a0-a20b-a840b748d5a2n%40googlegroups.com.
