Le 08/09/2011 05:23, Dan Drake a écrit :
This isn't quite what I hoped for:
sage: n = var('n')
sage: assume(n, 'integer')
sage: exp(I*n*pi).simplify_exp()
e^(I*pi*n)
This workaround works :
sage: n = var('n')
sage: assume(n, 'integer')
sage: A=exp(I*n*pi)
sage: Abis=A.real_part()+I*A.imag_part() <--- this is the stupid part !!
sage: Abis.simplify_trig()
(-1)^n
Have a nice day
Laurent
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