This works for me after I defined cmsel as you did in your previous posts. On Wednesday, January 4, 2017 at 1:55:36 PM UTC, Fjordforsk A/S wrote: > > I am trying to plot a trigonometric function, but get a strange result: > > plot3d(lambda > x,t:((cos(2^(0.5)*x)*sech(2^(0.5)*t)+I*2^0.5*tanh(2*t))/(2^(0.5)-cos(2^(0.5)*x)*sech(2^(0,5)*t)))*e^(2*I*t).real_part(),(x,-3*pi,3*pi),(t,-5,5),adaptive=True,color=cmsel) > > /home/sem/SageMath/sage-7.4/src/sage/rings/integer.pyx in > sage.rings.integer.Integer.__pow__ > (/home/sem/SageMath/sage-7.4/src/build/cythonized/sage/rings/integer.c:13508)() > 2031 nn = pyobject_to_long(n) > 2032 except TypeError: > -> 2033 s = parent_c(n)(self) > 2034 return s**n > 2035 except OverflowError: > > > > > *TypeError: 'sage.rings.integer.Integer' object is not iterable*What have > I written wrongly? > > > *Thanks* > >
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