Ok, there is an applet showing on example of the Newton polygon here :
http://www.math.sc.edu/~filaseta/newton/newton.html
Don't focus on the definition of the Newton polygon but only on the graphic.
What I need to obtain is a similar result but from the "upper" point of
viex, and the "lower" on
On Wed, Oct 17, 2012 at 9:37 PM, Eric Kangas wrote:
> code:
>
> b = 11^2
>
> a = b^2
>
> pri = [int(is_prime(i)) for i in range(a)]
>
> j = [i for i in range(a)][b+1:a:b]
>
> k = [i for i in range(a)][(b*2)+1:a:b]
>
> j.insert(0,0)
>
> k.insert(0,b)
>
> m = [matrix(QQ,sqrt(a)/(b/sqrt(b)),pri[j[i]:
I guess you need to specify more details.
On Thursday, 18 October 2012 03:17:27 UTC+8, projetmbc wrote:
>
> Hello,
> I would like to draw a kind of "inverse" Newton polygon for points.
>
> How can I achieve this ?
>
> Christophe
>
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code:
b = 11^2
a = b^2
pri = [int(is_prime(i)) for i in range(a)]
j = [i for i in range(a)][b+1:a:b]
k = [i for i in range(a)][(b*2)+1:a:b]
j.insert(0,0)
k.insert(0,b)
m = [matrix(QQ,sqrt(a)/(b/sqrt(b)),pri[j[i]:k[i]]) for i in range(len(j)-1)]
eval = [m[i].eigenvalues() for i in range(
What is eval? It looks like a list of eigenvalues, rather than a single
one. Could you show how it is computed?
On Wed, Oct 17, 2012 at 4:55 PM, Eric Kangas wrote:
> Of course complex.
>
> Here is what happens when I try using the embeddings() function:
>
> sage: eval[0].embeddings(CC)
>
>
Of course complex.
Here is what happens when I try using the embeddings() function:
sage: eval[0].embeddings(CC)
---
AttributeError Traceback (most recent call last)
/home/nooniensoong97/ in ()
/home/nooniensoong97/prog
Hi,
I opened in both ways.
So it turned out to be an issue of the location. The administrator moved
that directory from the network shared drive to a local place, and I can
see the graphs now :)
Thank both of you for the help and advices!!
On Wednesday, October 17, 2012 3:08:21 PM UTC-4, Jo
Hello,
I think I found the answer to this.
But there is something to share.
1. When I do '+' on ideals it takes as intersection while when I do
ideal1.intersection(ideal2) it takes as union.
2. Otherwise for Projective curves it is taken in reverse.
I am trying to get what is happening.
Regards
When you say "plot these values", do you mean as real or complex
values? To do so you need to choose an embedding, e.g.
sage: K. = QQ[sqrt(5)]; K
Number Field in sqrt5 with defining polynomial x^2 - 5
sage: K.embeddings(CC)
[
Ring morphism:
From: Number Field in sqrt5 with defining polynomial
Hello,
I see that I can take intersection of two affine varieties but there is no
union function provided.
Please guide me if I am missing something.
Regards,
Vijay
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Hello,
I would like to draw a kind of "inverse" Newton polygon for points.
How can I achieve this ?
Christophe
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On Wednesday, October 17, 2012 11:03:10 AM UTC-7, fomalhauty wrote:
>
> Sorry for the late reply.
>
> I did this and I think it is in sagerc now. But Sage is still not able to
> show the graphs..
>
> Thanks again for your help.
>
> On Tuesday, October 16, 2012 5:12:27 PM UTC-4, Volker Braun wro
Sorry for the late reply.
I did this and I think it is in sagerc now. But Sage is still not able to
show the graphs..
Thanks again for your help.
On Tuesday, October 16, 2012 5:12:27 PM UTC-4, Volker Braun wrote:
>
> You can try to put
>
> export DOT_SAGE=/Volumes/Scratch/.sage
>
> into the sa
Hi,
I am working with eigenvalues, and want to figure out a way to plot these
values as a return map. I am using sage 4.7.2 on a ubuntu 10.10 on a
Toshiba M200 tablet. Do I need to convert the algrbraic number to integers,
or is there a way to plot these values?
Eric
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I asked this on the "Ask Sage" site as well, but maybe there are some
people here who don't look at that:
I know I've done this before, but it was a few years ago and I can't
remember exactly how I did it. Its possible that the notebook has changed
in some relevant ways in the meantime.
I'd li
On Wednesday, October 17, 2012 12:49:09 PM UTC-4, P Purkayastha wrote:
>
> On 10/17/2012 11:52 PM, Dan Drake wrote:
> > Hello,
> >
> > I did
> >
> > sage: p = plot(arccosh(x/cos(x)), (x,5,6),
> axes_labels=['x','y=arccosh(x/cos x)'])
> > sage: q = plot(arcsin(-y/sinh(y)) + 2*pi, (y, 2.5, 3
On 10/18/2012 12:48 AM, P Purkayastha wrote:
On 10/17/2012 11:52 PM, Dan Drake wrote:
Hello,
I did
sage: p = plot(arccosh(x/cos(x)), (x,5,6),
axes_labels=['x','y=arccosh(x/cos x)'])
sage: q = plot(arcsin(-y/sinh(y)) + 2*pi, (y, 2.5, 3.4),
axes_labels=['y','x=arcsin(-y/sinh y)'],color='red')
sa
On 10/17/2012 11:52 PM, Dan Drake wrote:
Hello,
I did
sage: p = plot(arccosh(x/cos(x)), (x,5,6), axes_labels=['x','y=arccosh(x/cos
x)'])
sage: q = plot(arcsin(-y/sinh(y)) + 2*pi, (y, 2.5, 3.4),
axes_labels=['y','x=arcsin(-y/sinh y)'],color='red')
sage: graphics_array([p, q]).show()
and expec
On Wednesday, October 17, 2012 11:52:54 AM UTC-4, Dan Drake wrote:
>
> Hello,
>
> I did
>
> sage: p = plot(arccosh(x/cos(x)), (x,5,6),
> axes_labels=['x','y=arccosh(x/cos x)'])
> sage: q = plot(arcsin(-y/sinh(y)) + 2*pi, (y, 2.5, 3.4),
> axes_labels=['y','x=arcsin(-y/sinh y)'],color='red')
Hello,
I did
sage: p = plot(arccosh(x/cos(x)), (x,5,6), axes_labels=['x','y=arccosh(x/cos
x)'])
sage: q = plot(arcsin(-y/sinh(y)) + 2*pi, (y, 2.5, 3.4),
axes_labels=['y','x=arcsin(-y/sinh y)'],color='red')
sage: graphics_array([p, q]).show()
and expected to see my axes labels on both plots --
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