What the?
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| Sage Version 4.3.5, Release Date: 2010-03-28 |
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Hi all:
I ran into an error trying to evaluate the exponential function at an
algebraic number. Looks like there's a bug in substituting algebraic
numbers for variables; see below. While i was at it, i tried creating
the expression QQbar(sqrt(2))*x and got a not implemented error.
Wasn't symboli
Indeed, this is exactly what I was looking for !
Thank you very much !
On 7 avr, 21:59, Pablo Angulo wrote:
> Is the following enough for your purposes?
>
> @interact
> def _(M=matrix(ZZ,4,4)):
> ...do something with M...
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On Apr 7, 12:56 pm, Marshall Hampton wrote:
> with RDF! I think this is because many operations over RDF get sent
> to numpy and scipy, and the conversions aren't defined for RR. This
> seems like a bug to me.
By the way, % also doesn't work with 2 RDFnumbers
sage: RDF(3)%RDF(5)
Traceback (c
Is the following enough for your purposes?
@interact
def _(M=matrix(ZZ,4,4)):
...do something with M...
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Thank you for your helpful responses. I draw from them the lesson
that even beginning users need to learn about the "inheritance tree"
and about the difference between "top level" and other functions. On
the other hand, it's gratifying to know that the strange behavior
that
I encountered is consi
Thank you for your help responses. I draw from them the lesson is
that even beginning users need to learn about the "inheritance tree"
and about the difference between "top level" and other functions. On
the other hand, it's gratifying to know that the strange behavior that
I encountered is consi
Hi,
Statistics in Sage is improving but a lot needs to be done to make it
easy to use. There has been some progress on this front, but to get
more advanced functionality you need to use things in scipy/numpy (for
example, do:
import scipy.stats as stat
and then tab-complete
stat.[tab]
to see a lo
On Apr 7, 2010, at 9:29 AM, Kenneth A. Ribet wrote:
Hello All,
I asked myself how I could use sage to compute the standard
deviation of a grade distribution for one of my courses. Rooting
around, I found that I can compute for example
sage: vector(RDF,[1,2,2,1]).standard_deviation()
and
Hello All,
I asked myself how I could use sage to compute the standard deviation of a
grade distribution for one of my courses. Rooting around, I found that I can
compute for example
sage: vector(RDF,[1,2,2,1]).standard_deviation()
and get the answer 0.57735026919. However, if I try the same
Hi,
Right now I use the excellent @interact feature to allow users input a
lot of parameters. As they often represent coefficient of matrices to
be used in the cell (numpy matrices), I was wondering whether it was
possible to input them directly as a matrix.
Best,
Pablo
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Jason Grout wrote:
On 04/07/2010 06:57 AM, Dana Ernst wrote:
Is there an easy way to animate (or use an @interact for) parametric
curves? In particular, I'd like to emphasize to my students the
"starting" and "ending" points of the curve, as well as the direction.
Any tips would be greatly appre
On 04/07/2010 06:57 AM, Dana Ernst wrote:
Is there an easy way to animate (or use an @interact for) parametric
curves? In particular, I'd like to emphasize to my students the
"starting" and "ending" points of the curve, as well as the direction.
Any tips would be greatly appreciated. Thanks!
Is there an easy way to animate (or use an @interact for) parametric
curves? In particular, I'd like to emphasize to my students the
"starting" and "ending" points of the curve, as well as the direction.
Any tips would be greatly appreciated. Thanks!
Dana Ernst, Ph.D.
Assistant Professor
D
Thanks a lot, it worked!! :)
On 7 Abr, 11:38, Robert Bradshaw wrote:
> On Apr 7, 2010, at 2:10 AM, Uri wrote:
>
>
>
> > I'm having some problems trying to use a program called Brian
> > Simulator (www.briansimulator.org) through Sage. This program is
> > written in Python an can be used as a pyt
On Apr 7, 2010, at 2:10 AM, Uri wrote:
I'm having some problems trying to use a program called Brian
Simulator (www.briansimulator.org) through Sage. This program is
written in Python an can be used as a python package (I've tried it
and I had no problem). However, when I try to use it in Sage I
I'm having some problems trying to use a program called Brian
Simulator (www.briansimulator.org) through Sage. This program is
written in Python an can be used as a python package (I've tried it
and I had no problem). However, when I try to use it in Sage I get
some problems involving units, which
Hi all,
Thanks so much for your help- and so quickly too!
I realise it is a very straight forward problem- I am very new to
Sage, and am working through some basic school-level problems to get
used to the functions before I start using it for my work.
Thank you once more!
Dan
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