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## Re: Problems plotting the polygon of n-th complex roots

 From: Juan Pablo Carbajal Subject: Re: Problems plotting the polygon of n-th complex roots Date: Thu, 31 Oct 2013 16:24:03 +0100

```On Thu, Oct 31, 2013 at 1:00 PM, Doug Stewart <address@hidden> wrote:
> It works for me!
>
> try a clear and then run your program again.
>
>
> On Thu, Oct 31, 2013 at 5:23 AM, Tobal <address@hidden> wrote:
>>
>> Hi! I'm trying to plot the polygon of x^11=-1 but the polygon isn't drawn
>> correctly. I suspect the problem is about precision. Here's the code:
>>
>> n=11;
>> for k=0:10
>>         x(k+1)=cos(((2*k+1)*pi)/n);
>>         y(k+1)=sin(((2*k+1)*pi)/n);
>> end
>>
>> t=0:pi/30:2*pi;
>> x1=cos(t);
>> y1=sin(t);
>>
>> clf();
>> plot(x,y,'b',x1,y1,'r')
>>
>> And here is an image:
>>
>>
>>
>>
>> --
>> View this message in context:
>> http://octave.1599824.n4.nabble.com/Problems-plotting-the-polygon-of-n-th-complex-roots-tp4658678.html
>> Sent from the Octave - General mailing list archive at Nabble.com.
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>
>
>
>
> --
> DAS
>
> https://linuxcounter.net/user/206392.html
>
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