On Mon, Mar 30, 2009 at 8:17 PM, WLC wrote:
>
>
> I just installed Sage and I am going through a few examples from the
> http://www.sagemath.org/doc/tutorial site. when I enter "circle((0,0),
> 1, rgbcolor=(1,1,0))" or "plot(cos, (-5,5))" there is a delay and then
> the comand prompt returns but
Hi,
On Tue, Mar 31, 2009 at 3:17 AM, WLC wrote:
>
>
> I just installed Sage and I am going through a few examples from the
> http://www.sagemath.org/doc/tutorial site. when I enter "circle((0,0),
> 1, rgbcolor=(1,1,0))" or "plot(cos, (-5,5))" there is a delay and then
> the comand prompt returns
well, actually it should plot the graph in a new pop-up window(eog).
may be you try to plot these graph in notebook.
this may help you.
On Tue, Mar 31, 2009 at 8:47 AM, WLC wrote:
>
>
> I just installed Sage and I am going through a few examples from the
> http://www.sagemath.org/doc/tutorial si
I just installed Sage and I am going through a few examples from the
http://www.sagemath.org/doc/tutorial site. when I enter "circle((0,0),
1, rgbcolor=(1,1,0))" or "plot(cos, (-5,5))" there is a delay and then
the comand prompt returns but I don't see a plot. Should it pop up in
a new window, or
On Mar 28, 2009, at 14:16 , mabshoff wrote:
>
>
>
> On Mar 28, 1:48 pm, "Justin C. Walker" wrote:
>> Hi,
>>
>> I can't get to sage.math: ports 80 (http) and 22 (ssh) don't respond
>> and attempts to connect time-out. 'ping' works, FWIW.
>
> Must be a local problem, I can log in without problem
Chris Seberino wrote:
> In a new sage session...
> (Notice the A(t) function returns values just fine. Why doesn't plot
> () like it?)
>
> sage: W(t)=95*sqrt(t)*sin(t/6)^2
>
> sage: R(t)=275*sin(t/3)^2
>
> sage: def A(t):
> : return 1200 + numerical_integral(W(x)-R(x),0,t)[0]
In a new sage session...
(Notice the A(t) function returns values just fine. Why doesn't plot
() like it?)
sage: W(t)=95*sqrt(t)*sin(t/6)^2
sage: R(t)=275*sin(t/3)^2
sage: def A(t):
: return 1200 + numerical_integral(W(x)-R(x),0,t)[0]
:
sage: A(0)
1200.0
sage: A(18)
1309
Hi!
On 23 Mrz., 12:57, Burcin Erocal wrote:
> > I think it is not my call to provide such list. But next week I can go
> > through the list of methods of multi- and univariate polynomials, open
> > a ticket for their unification, and perhaps start a poll on sage-devel
> > concerning the suggeste
On Mon, Mar 30, 2009 at 9:25 AM, davidp wrote:
>
> I am running Sage 3.4 under Fedora 10. I am having trouble inserting
> a cell (of any type) right before a text cell in a worksheet.
>
> I have tried the following:
>
> 1. Hovering the mouse just above the text cell.
> 2. Going to a calculation
I am running Sage 3.4 under Fedora 10. I am having trouble inserting
a cell (of any type) right before a text cell in a worksheet.
I have tried the following:
1. Hovering the mouse just above the text cell.
2. Going to a calculation cell just above the text cell and trying
shift-click, alt-clic
In the sage notebook, how can I open (display) a file I saved in jmol
format?
Thanks,
Dave
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On Mar 30, 7:49 am, Jason Grout wrote:
> linuxgus wrote:
...
> > """
> > a=p[0];b=p[1];phi=p[2];delta=p[3];X=p[4];Y=p[5]
> > return numpy.array(x-a*numpy.cos(phi+delta)+X , y-b*numpy.sin(phi
> > +delta)+Y)
>
> Here's a guess (I haven't checked it):
>
> make the above function re
V wrote:
> Hi,
>
> I'm fairly new to sage with some background in maxima.
>
> My workbook is shared at
> http://www.sagenb.org/home/pub/410/
>
> the last three lines show the error I get.
>
> Basically, I derive an equilibrium condition that I would like to use
> in the previous stage of my ga
Hi,
I'm fairly new to sage with some background in maxima.
My workbook is shared at
http://www.sagenb.org/home/pub/410/
the last three lines show the error I get.
Basically, I derive an equilibrium condition that I would like to use
in the previous stage of my game (solving by backwards induct
> > Interesting; I didn't know about this function. Is there a reason it's
> > not defined for general single-variable expressions (if we give an
> > interval, of course)?
>
> I think the reason is historic, since David Joyner wrote the entire
> Piecewise package and associated functionality befo
On Mon, Mar 30, 2009 at 7:47 AM, Jason Grout
wrote:
>
> David Joyner wrote:
>> See
>> http://www.sagemath.org/doc/reference/sage/functions/piecewise.html
>> For example:
>>
>>
>> sage: f1(x) = x^2
>> sage: f = Piecewise([[(0,3),f1]])
>> sage: f.riemann_sum(6,mode="midpoint")
>> Piecewise defined
David Joyner wrote:
> See
> http://www.sagemath.org/doc/reference/sage/functions/piecewise.html
> For example:
>
>
> sage: f1(x) = x^2
> sage: f = Piecewise([[(0,3),f1]])
> sage: f.riemann_sum(6,mode="midpoint")
> Piecewise defined function with 6 parts, [[(0, 1/2), 1/16], [(1/2, 1),
> 9/16], [(
On Mar 30, 3:51 pm, "M.E._Mac" wrote:
> I am taking a Calculus class and we are studying Reimann Sum. I am
> trying to plot a function with the boxes drawn in at the right
> endpoints, left endpoints, and middle points. ...
I didn't know about the method david joyner used, but this worksheet
m
See
http://www.sagemath.org/doc/reference/sage/functions/piecewise.html
For example:
sage: f1(x) = x^2
sage: f = Piecewise([[(0,3),f1]])
sage: f.riemann_sum(6,mode="midpoint")
Piecewise defined function with 6 parts, [[(0, 1/2), 1/16], [(1/2, 1),
9/16], [(1, 3/2), 25/16], [(3/2, 2), 49/16], [(2,
I am taking a Calculus class and we are studying Reimann Sum. I am
trying to plot a function with the boxes drawn in at the right
endpoints, left endpoints, and middle points. For example, f(x)=x^2,
find the area under the curve on the interval [0,3], n=10, with a)
right endpoints, b) left endpoin
linuxgus wrote:
> I am trying to use least squares in sage. I started with a simple
> example: Take an ellipse, whose major and minor axes are x and y,
> respectively, turn in by -30 degrees, shift it, inject some noise, and
> then try to recover it via least squares. All examples I have seen
>
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