t recent call last):
File "", line 1, in
File "/home/sage/sagenb/sage_notebook/worksheets/hpon/17/code/2.py",
line 12, in
print eqn3.solve(sigma_1p, solution_dict=True)
File "/home/sage/sage_install/sage-a/local/lib/python2.5/site-
packages/SQLAlchemy-0.4.6-p
Thank you David!
I didn't know one could form sums that concisely. Very happy about
this.
/hpon
On 9 Apr, 16:09, David Joyner wrote:
> Iif your points are (x_0,y_0), (x_1,y_1),...,(x_n,y_n),
> don't you just take the sum of the (x_{i+1}-x_i)*(y_{y+1}-y_i)/2 ?
> That'
n the
fashion I desire. It's bulky and does not work.
y_0, s_0, y_1, s_1, y = var('y_0, s_0, y_1, s_1, y');
f (y_0, s_0, y_1, s_1, y)= (y - y_0) * ((s_1 - s_0) / (y_1 - y_0)) +
s_0;
sigma = Piecewise([[ (0, 1), f (0, 100, 1, 300) ]]);
print f.trapezoid_integral_approximatio
;and so on"
Regards,
hpon
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Excellent. Thank you Alex!
/hpon
On 13 Mar, 09:16, Alex Ghitza wrote:
> Hi,
>
> On Fri, Mar 13, 2009 at 7:09 PM, hpon wrote:
>
> > Hi,
>
> > What is the easiest way to make a mathematical substitution in Sage?
>
> > For example: We have
>
> > eq
Hi,
What is the easiest way to make a mathematical substitution in Sage?
For example: We have
eqn1 = F == a + b
and would like to use a = 0 and b = 3 to calculate F.
Should I use "solve" and treat the problem like a system of equations,
or is there a substitute-like command?
Reg
-file is in a folder
on the desktop, for instance?
I greatly appreciate your help!
/hpon
On 11 Mar, 14:22, William Stein wrote:
> On Wed, Mar 11, 2009 at 4:03 AM, hpon wrote:
>
> > Hi,
>
> > I'm running Sage from VMware Player (Sage command line) and I would
> >
Hi William, Thanks for your reply!
Something has turned up that I must attend to, so I cannot try your
solution at the moment. But I'll get back to it shortly.
/hpon
On 11 Mar, 14:22, William Stein wrote:
> On Wed, Mar 11, 2009 at 4:03 AM, hpon wrote:
>
> > Hi,
>
>
Hi,
I'm running Sage from VMware Player (Sage command line) and I would
like to load a sage-file that I wrote in Windows XP. Is that
possible? How is it done?
Regards,
hpon
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n, mu), mu, 0, 0.1)
#End
/Peter
On Feb 21, 4:11 pm, David Joyner wrote:
> Can you take the function you are trying to plot,
> reduce it to the simplest expression which will
> reproduce the same error and post it? Can you
> also include the OS and version of Sage?
>
> On
is one way:
>
> sage: x,y = var("x,y")
> sage: f = x^2+y^2
> sage: plot(f(x,3),x,-1,1)
>
> On Sat, Feb 21, 2009 at 9:22 AM, hpon wrote:
>
> > Hello,
>
> > I have created a function F = F(x, const). I would like to create a
> > 2D-plot of F in s
Hello,
I have created a function F = F(x, const). I would like to create a
2D-plot of F in some range of x. What should the syntax look like?
Regards,
Peter
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tions.
/Peter
On Feb 21, 10:53 am, Jason Grout wrote:
> hpon wrote:
> > Hi,
>
> > I need some help getting started.
>
> > I'm running Sage in the terminal on a Linux system. How do I use a
> > proper editor; so that can save and edit my work?
>
> A lot of
Hi,
I need some help getting started.
I'm running Sage in the terminal on a Linux system. How do I use a
proper editor; so that can save and edit my work?
Regards,
Peter
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