Hi Roland,
On 21 Jul., 06:33, Rolandb wrote:
> Hi,
> How to simplify an expression if you have some known relations
> (equalities)? Example:
>
> relation: 0 = a*x1^2 + b*x2^2
> expression = (a*x1^2 + b*x2^2)*y1+b*y2^3
Are all your relations polynomial? Then the standard solution is to
use Gröbn
Hi Elizabeth,
On Tue, Jul 21, 2009 at 3:22 PM, Elizabeth Yip wrote:
>
> Hello
>
> I installed a customized version of Ubuntu Intrepid for my OLPC-XO
> using a 2G USB drive and tried to make SAGE for the XO on another 2G
> USB drive under Ubuntu.
>
> Previously, I've successfully installed sage-4
Hello
I installed a customized version of Ubuntu Intrepid for my OLPC-XO
using a 2G USB drive and tried to make SAGE for the XO on another 2G
USB drive under Ubuntu.
Previously, I've successfully installed sage-4.1 on my desktop
machine. I did a du on the sage-4.1 directory, sage-4.1 uses 195
Hi,
How to simplify an expression if you have some known relations
(equalities)? Example:
relation: 0 = a*x1^2 + b*x2^2
expression = (a*x1^2 + b*x2^2)*y1+b*y2^3
Given the relation, the expression could be simplified to b*y2^2. But
how in Sage?
Tnx in advance. Rolandb
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On Mon, Jul 20, 2009 at 4:04 PM, mjs wrote:
>
> I installed the Fedora 10 release of Sage 4.1 on a Fedora 11 machine.
> When I invoke sage, it terminates with the following errors:
>
> $ sage
> --
> | Sage Version 4.1, Release Dat
I installed the Fedora 10 release of Sage 4.1 on a Fedora 11 machine.
When I invoke sage, it terminates with the following errors:
$ sage
--
| Sage Version 4.1, Release Date: 2009-07-09 |
| Type notebook()
On Mon, Jul 20, 2009 at 3:30 PM, VictorMiller wrote:
>
> I have a program which calculates a table of values, and I'd like to
> display it nicely formatted. I've written a function to produce latex
> for it (using tabular), but I can't figure out how to get SAGE to
> display this in a notebook.
On Jul 20, 3:30 pm, VictorMiller wrote:
> I have a program which calculates a table of values, and I'd like to
> display it nicely formatted. I've written a function to produce latex
> for it (using tabular), but I can't figure out how to get SAGE to
> display this in a notebook. I've tried t
I have a program which calculates a table of values, and I'd like to
display it nicely formatted. I've written a function to produce latex
for it (using tabular), but I can't figure out how to get SAGE to
display this in a notebook. I've tried the html command but that
doesn't work. Here's a sm
The bias defaults to False, which means the covariance is calculated
with a division by N-1 instead of N. This is what should be used
when sampling from a population. If you have data on an entire
population, you want the biased estimator which divides by N. For
large N this will make very lit
Still working on my Stats server. Is there a function in Scipy that
will calculate the correlation coef.? I have found something that
looks good, but I do not understand the parameters.
scipy.stats.corrcoef(x,y,rowvar, bias)
x,y represents the independent, dependent variables, rows, I don't
u
Stan Schymanski wrote:
> Thanks, Laurent. I figured that out, but it is quite tedious to have to
> go through each worksheet and change the soln[0][1] to soln[0].rhs().
> There are other things that work differently now and of course there are
> new ways how to achieve the same results, which m
Thanks, Laurent. I figured that out, but it is quite tedious to have to
go through each worksheet and change the soln[0][1] to soln[0].rhs().
There are other things that work differently now and of course there are
new ways how to achieve the same results, which might be more elegant.
However,
Stan Schymanski ha scritto:
> Hi Jason,
>
> I gave an example for what does not work here:
> http://groups.google.com/group/sage-support/browse_thread/thread/17c717e8bfbdd367/b2fdb60e1f33b43e#b2fdb60e1f33b43e
>
> Today I noticed that my old use of .subs(locals()) now leads to an
> error, too.
>
Hi Jason,
I gave an example for what does not work here:
http://groups.google.com/group/sage-support/browse_thread/thread/17c717e8bfbdd367/b2fdb60e1f33b43e#b2fdb60e1f33b43e
Today I noticed that my old use of .subs(locals()) now leads to an
error, too.
I could try to copy the notebook to somew
Stan Schymanski wrote:
> Dear all,
>
> Since the upgrade to 4.x, most of my old worksheets don't work any
> more and I wondered if there is a possibility to run sage 4.x in a
> compatibility mode so that the old code would work again. I also have
> an old install of 3.4.1 on my system, but for so
Dear all,
Since the upgrade to 4.x, most of my old worksheets don't work any
more and I wondered if there is a possibility to run sage 4.x in a
compatibility mode so that the old code would work again. I also have
an old install of 3.4.1 on my system, but for some reason it can't
open the Maxima
Hi,
thanks for the report!
It seems to me a known bug, whose patch is already at:
http://sagetrac.org/sage_trac/ticket/6374
but which isn't incorporated in Sage-4.1 yet.
Hopefully the patch (is good and) will make it into Sage-4.1.1.
Kind regards,
Georg
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