def g(x):
return numerical_integral(sin(t),0,x)[0]
For the function g, this works:
sage: plot(g,x,2,4)
but not this
sage:plot(g(x), x, 2, 4)
If I'm not mistaken, the first form of plot above works with ALL
functions right? So is there any reason to ever bother with second
form just beca
2009/4/3 Alasdair :
>
> Thanks - in which file in the sage tree is this variable set?
You might have been asking how to set it yourself. In linux (well,
bash) do e.g.,
export SAGE_BROWSER="firefox"
-- William
--~--~-~--~~~---~--~~
To post to this group, sen
2009/4/3 Alasdair :
>
> Thanks - in which file in the sage tree is this variable set?
>
> -Alasdair
In misc/viewer.py
sage: search_src('SAGE_BROWSER')
misc/viewer.py:if os.environ.has_key('SAGE_BROWSER'):
misc/viewer.py:BROWSER = os.environ['SAGE_BROWSER']
server/notebook/notebook_o
2009/4/3 Brian :
>
> Indeed, thanks William. I'm not understanding the problem though, as
> range works with "ordinary" variables:
>
> x=5
> [t for t in range(1,x)]
Here x "is" (or rather -- points to) the constant integer 5. It's not
a symbolic variable.
If you do
x = var('x')
then x is a
2009/4/3 Timothy Clemans :
>
> I get the same. This historically has been a problem with the public
> notebook(s).
I 100% disagree. This has *not* historically been a problem with the
public notebooks. I have used them millions of times with numerous
browsers from many places to draw 3d plots u
I get the same. This historically has been a problem with the public
notebook(s).
On Sat, Apr 4, 2009 at 1:04 AM, Brian wrote:
>
> When I go to this public worksheet, jmol renders as a black screen:
> http://sagenb.org/home/pub/422/
>
> Here is the output of the Java Console.
>
> Java Plug-in 1.
There's a bug in the error.html template. I'm guessing the error
message would be about cookies not enable, see
http://trac.sagemath.org/sage_trac/ticket/4429 for the report on that
bug. As far as the error message not displaying that's fixed at
http://trac.sagemath.org/sage_trac/ticket/4135
On S
When I go to this public worksheet, jmol renders as a black screen:
http://sagenb.org/home/pub/422/
Here is the output of the Java Console.
Java Plug-in 1.6.0_12
Using JRE version 1.6.0_12 Java HotSpot(TM) Client VM
User home directory = E:\Documents and Settings\brian
--
2009/4/3 Timothy Clemans :
>
> Thanks for reporting a bug. We are aware of the issue which involves
> address='' being set.
I created a trac ticket about this earlier today:
http://trac.sagemath.org/sage_trac/ticket/5675
-- William
--~--~-~--~~~---~--~~
To pos
My answers to kcrisman are yes (Error|Sage Notebook), yes(using
Safari) and I don't know (I haven't tried firefox on Mac, used Firefox
for SAGE in Linux with no problems).
Okay I will open a ticket when I figured out how to do so.
On Apr 3, 9:38 am, kcrisman wrote:
> On Apr 3, 12:04 pm, pong w
Indeed, thanks William. I'm not understanding the problem though, as
range works with "ordinary" variables:
x=5
[t for t in range(1,x)]
Anyway, I changed the units function to not use a list comprehension,
and instead use this formula:
http://i.investopedia.com/inv/tutorials/site/advancedbond/y
Thanks - in which file in the sage tree is this variable set?
-Alasdair
On Apr 4, 2:00 pm, William Stein wrote:
> On Fri, Apr 3, 2009 at 7:43 PM, Alasdair wrote:
>
> > If I run a plot command from the linux console, the plot is created,
> > and displayed as an image in gqview (on my system).
On Fri, Apr 3, 2009 at 7:43 PM, Alasdair wrote:
>
> If I run a plot command from the linux console, the plot is created,
> and displayed as an image in gqview (on my system). Where does Sage
> look for the application to display its plots? I'd like to change
> this, if possible, from gqview to
On Fri, Apr 3, 2009 at 7:45 PM, Brian wrote:
>
> Thank you Timothy. Here is the correct (I believe) code for that
> equation.
>
> def units(C, n, F, r):
> return sum([C / (1 + r) ^ t for t in range(1, n+1)]) + F / (1 + r)
> ^ n
>
> def price(C, n, F, r):
> return 100 * (units(C, n, F, r) /
Thank you Timothy. Here is the correct (I believe) code for that
equation.
def units(C, n, F, r):
return sum([C / (1 + r) ^ t for t in range(1, n+1)]) + F / (1 + r)
^ n
def price(C, n, F, r):
return 100 * (units(C, n, F, r) / F)
Here, units expresses the equation I linked to, and price
If I run a plot command from the linux console, the plot is created,
and displayed as an image in gqview (on my system). Where does Sage
look for the application to display its plots? I'd like to change
this, if possible, from gqview to ImageMagick's display.
Thanks,
Alasdair
--~--~-~--
I'm not 100% sure but I think it would look something like
def maturity_formula(C, P, r):
return sum([C / (1 + r) ^ t + F / (1 + r) ^ n for t in range(1, n+1)])
On Fri, Apr 3, 2009 at 8:54 PM, Brian wrote:
>
> I was hoping to get help with using SAGE to plot this equation:
> http://www.stre
I was hoping to get help with using SAGE to plot this equation:
http://www.streetauthority.com/images/education/ytm.gif
This is the yield to maturity formula, expressing that a bond's price
is the sum of the present values of its future cash flows.
P = price of the bond
n = number of periods
C =
Thanks for reporting a bug. We are aware of the issue which involves
address='' being set.
On Fri, Apr 3, 2009 at 8:20 PM, Brian wrote:
>
> When I publish a worksheet, I get a busted URL:
>
> Worksheet is publicly viewable at http://:8000/home/pub/421
> Published on April 03, 2009 05:19 PM
>
> B
When I publish a worksheet, I get a busted URL:
Worksheet is publicly viewable at http://:8000/home/pub/421
Published on April 03, 2009 05:19 PM
Brian
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Thanks for all the quick responses! This is exactly what I was looking
for.
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kcrisman wrote:
>
> On Apr 3, 12:04 pm, pong wrote:
>
>> I have just installed SAGE-3.4 on a Macbook (OS X 10.5.6), everything
>> seems fine except when I log out from a sage notebook session and try
>> relogin from the same page then I get an error. I'm pretty sure that
>> the password is cor
On Apr 3, 12:04 pm, pong wrote:
> I have just installed SAGE-3.4 on a Macbook (OS X 10.5.6), everything
> seems fine except when I log out from a sage notebook session and try
> relogin from the same page then I get an error. I'm pretty sure that
> the password is correct cos I've just created
I have just installed SAGE-3.4 on a Macbook (OS X 10.5.6), everything
seems fine except when I log out from a sage notebook session and try
relogin from the same page then I get an error. I'm pretty sure that
the password is correct cos I've just created it the first time I ran
notebook(). I even
On Fri, Apr 3, 2009 at 7:17 AM, Jason Grout wrote:
>
> Dan Drake wrote:
>> On Fri, 03 Apr 2009 at 01:58AM -0700, John Cremona wrote:
>>> I think I do understand what Armand is asking. Let's see:
>>>
>>> Say I have been using Magma for half an hour. I typed lots of stuff,
>>> including typos etc
Dan Drake wrote:
> On Fri, 03 Apr 2009 at 01:58AM -0700, John Cremona wrote:
>> I think I do understand what Armand is asking. Let's see:
>>
>> Say I have been using Magma for half an hour. I typed lots of stuff,
>> including typos etc, and a whole lot of output has scrolled past. Now
>> I want
On Fri, 03 Apr 2009 at 01:58AM -0700, John Cremona wrote:
> I think I do understand what Armand is asking. Let's see:
>
> Say I have been using Magma for half an hour. I typed lots of stuff,
> including typos etc, and a whole lot of output has scrolled past. Now
> I want to keep all the command
> Now I think that Armand wants an equivalent to %S. Presumably the
> commands typed in will all be in a history file somewhere.
>
Yep, the commands do get stored in a history file -- it's
~/.sage/ipython/history-sage from your home directory. Also, from the
command line, you can do %history to
On Fri, Apr 3, 2009 at 5:17 AM, wrote:
>
> Dear John,
>
> On Apr 3, 10:58 am, John Cremona wrote:
>> I think I do understand what Armand is asking. Let's see:
> ...
>> Now I think that Armand wants an equivalent to %S. Presumably the
>> commands typed in will all be in a history file somewher
Dear John,
On Apr 3, 10:58 am, John Cremona wrote:
> I think I do understand what Armand is asking. Let's see:
...
> Now I think that Armand wants an equivalent to %S. Presumably the
> commands typed in will all be in a history file somewhere.
Wouldn't using the notebook solve the problem? Or
I think I do understand what Armand is asking. Let's see:
Say I have been using Magma for half an hour. I typed lots of stuff,
including typos etc, and a whole lot of output has scrolled past. Now
I want to keep all the commands that I typed, put them in a file,
sanitize them, ans use them lat
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