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From: Walter Roberson on 2 Mar 2010 14:34
Walter Roberson wrote:
> DRG wrote:
>> Thanks Walter.. that still doesn't seem to be working for me though;
>> It now displays something but not what it should. Surely there should
>> be a single value at every angular position from 0 - 360 if it's
>> working right ? It seems to repeat the values a lot and instead of
>> having single points, it goes over itself and has a spider web effect.
>> Any ideas?
>
> You could get that effect if any of the values to be plotted are
> negative or complex, or if you reversed the order of the parameters.
>
> Beyond that... a bit later I'll do a small experiment to verify that my
> logic was correct (I'm not by my matlab machine at the moment.)

Logic checked... linspace(0,2*pi,361) as the angle works fine for 0 to 360
degrees (inclusive) in 1 degree steps.

For example,
d = linspace(0,2*pi,361);
polar(d,abs(sin(d)));

should give you two circles.
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