Thanks Dima!
mandag 26. juni 2017 16.30.20 UTC+2 skrev Dima Pasechnik følgende:
>
> 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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