Re: [Gnuplot-bugs] splot with trig functions

[Matthew B. <ma...@ma...>]

Thanks, you would think being a programmer i would have noticed that.

Bastian M=E4rkisch wrote:
>> I am pretty (3 sigma) sure i found a bug w/ both the 4.2RC1 and 4.0 gn=
uplot.
>=20
> It's not a bug, it's a feature: =20
> Gnuplot interprets (1/2) as an integer expression. Therefore (1/2) equa=
ls 0.
> See ` help expressions`  for further information.=20
>=20
> Bastian
>=20
>> It seems to ignore the variation in y when i do this plot (sin too).=20
>> However, if i just plot cos(x/2) it works right. Is there something th=
at=20
>> i am doing wrong here(is gnuplot making an assumption of something not=
=20
>> obvious)??  This should look like a surface of the 1D plot.
>>
>>
>> gnuplot> set yran [-pi:pi]
>> gnuplot> set xran [0:1]
>> gnuplot> spl cos(y*(1/2))
>> Warning: empty z range [1:1], adjusting to [0.99:1.01]
>>
>> Thanks
>> matt
>=20
>=20
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