the following works for me:
sage: var('x y');
....: cmsel = [colormaps['gnuplot2'](i) for i in sxrange(0,1,0.02)]
....: plot3d(lambda
x,y:((1/(sqrt((2**2)*pi)))*(x+I*y)*exp(-((0.25)*((x+I*y)**2)))).imag_part(),(x,-3*pi,3*pi),(y,0,2),adaptive=True,
....: color=cmsel)
Note that I removed "math." prefix from sqrt() and put the brackets at the
right places.
On Monday, June 26, 2017 at 1:27:45 PM UTC+1, Fjordforsk A/S wrote:
>
> Hi, I tried to use a command found online for plotting complex and real
> components of a function:
>
> var('x y');
> cmsel = [colormaps['gnuplot2'](i) for i in sxrange(0,1,0.02)]
> plot3d(lambda
> x,y:(1/(math.sqrt((2**2)*pi)))*(x+I*y)*exp(-((0.25)*((x+I*y)**2)))).imag_part(),(x,-3*pi,3*pi),(y,0,2),adaptive=True,color=cmsel)
>
> however, it does not work, no matter how the brackets are ordered. Is
> there a formatting problem here?
>
> Thanks
>
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