Point 6 says "I don't thing the following sudo syntax works anymore. I
> had to do this by hand now." Did you do that?
>
>
I wouldn't know how to do that, but it ran smoothly, asked me for a path to
place the key, a passphrase and it all worked seemingly fine.
What happened on point 7 of
(publickey,password).
what is wrong?
Thank you very much!
Oscar Lazo.
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15-09-01 14:20:49-0500 [HTTPChannel,8,127.0.0.1]
>> 2015-09-01 14:20:49-0500 [HTTPChannel,8,127.0.0.1] Permission denied
>> (publickey,password).
>>
>> what is wrong?
>>
>> Thank you very much!
>>
>> Oscar Lazo.
>>
> --
> You received this m
/NItMB21.png
Thank you!
Oscar Lazo
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Yes, I ran uxterm and I still see strange characters there. Any ideas?
Thank you,
Oscar.
El lunes, 18 de agosto de 2014 14:41:42 UTC-5, Dima Pasechnik escribió:
On 2014-08-18, Oscar Lazo algebra...@gmail.com javascript: wrote:
--=_Part_1633_1643381375.1408388447844
Content-Type
Well, the limit of your expression as x goes to 3 does exist.
Oscar.
El lunes, 18 de agosto de 2014 15:07:47 UTC-5, Ron Bannon escribió:
solve( (x^2-9)/(x-3) = 0, x) should yield x = -3, x neq 3, but Sage just
gives x = -3. Any thoughts?
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Thank you! that was exactly what I needed.
Oscar.
El jueves, 1 de agosto de 2013 18:55:38 UTC-5, Nils Bruin escribió:
On Wednesday, July 31, 2013 4:09:45 PM UTC-7, Oscar Lazo wrote:
Hello dear sage users!
I would like to view a 3d plot from a specific viewpoint using tachyon
4:09:45 PM UTC-7, Oscar Lazo wrote:
Hello dear sage users!
I would like to view a 3d plot from a specific viewpoint using tachyon.
It requires a bit of surgery. Presently, viewpoint and direction are not
part of the configurable scenery parameters (and they clearly should be).
The just
Hello dear sage users!
I would like to view a 3d plot from a specific viewpoint using tachyon.
For instance
save: var('s')
sage: spiral=parametric_plot3d((cos(s),sin(s),s/8),
(s,-16*pi,16*pi),aspect_ratio=1,plot_points=200)
sage: show(spiral, viewer='tachyon')
shows me a spiral from some
Hello, I have just upgraded my ubuntu distribution, and JMOL has stopped
working for me. It gives me the familiar yellow square advising to
install java and allow firefox to use it.
I've done:
$ sudo apt-get install sun-java6-jre sun-java6-plugin
...
sun-java6-jre is already the newest
,airy_ai_prime,airy_bi_prime}
And also whether the latex representation should be capitalized or
not. I chose the third scheme, and capitalized typesetting.
Cheers!
Oscar
On 6 feb, 19:37, kcrisman kcris...@gmail.com wrote:
On Feb 6, 4:22 pm, Oscar Lazo algebraicame...@gmail.com wrote
On 7 feb, 04:48, Burcin Erocal bur...@erocal.org wrote:
You need to add an _eval_() function which calls _evalf_() if the
argument is not exact. See this patch for an example:
http://trac.sagemath.org/sage_trac/attachment/ticket/4498/trac_4498-s...
Done :)
The _evalf_() function in your
Feb 2012 06:56:30 -0800 (PST)
Oscar Lazo algebraicame...@gmail.com wrote:
On 7 feb, 04:48, Burcin Erocal bur...@erocal.org wrote:
I don't think we want to have separate functions for the
derivatives in Sage. These might help you get around the printing
problem for now
That is very nice! Unfortunately I need to evaluate many different
expressions quickly, so the copy-paste aproach is not an option.
That's why I wrote the fast_complex function. I'll be working in such
a general implementation, do you think it's worth getting it into
sage, or should fast_float be
Hello
I'm working with Airy functions. Although sage can evaluate
airy_ai(1.0), it cannot form a symbolic expression like:
A*airy_ai(x)+B*airy_bi, which is what i need.
So I decided to define the symbolic functions:
ai=function('ai',x,latex_name='Ai')
bi=function('bi',x,latex_name='Bi')
That worked excelent! I made the following code:
from sage.symbolic.function import BuiltinFunction
class AiryAi(BuiltinFunction):
def __init__(self):
BuiltinFunction.__init__(self, ai,
latex_name=r\operatorname{Ai})
def _derivative_(self, x, diff_param=None): return aip(x)
class
Hello
I've got this code in fortran:
!f90
!f90
! ALGORITHM 819, COLLECTED ALGORITHMS FROM ACM.
! THIS WORK PUBLISHED IN TRANSACTIONS ON MATHEMATICAL SOFTWARE,
! VOL. 28,NO. 3, September, 2002, P. 325--336.
! Code converted using TO_F90 by Alan Miller
! Date: 2002-11-04 Time: 15:13:16
Hello
I've got the following expression:
z=(24*K1**2*K2**2*e**(4*I) + (24*K2**2 - 32*I*K2 + 32)*K1**2 +
(-48*I*K2**2 - 64*K2 - 64*I)*K1 - ((48*K2**2 - 32*I*K2)*K1**2 -
(48*I*K2**2 + 32*K2)*K1)*e**(2*I))*(24*K1**2*K2**2*e**(-4*I) + (24*K2**2
+ 32*I*K2 + 32)*K1**2 + (48*I*K2**2 - 64*K2 + 64*I)*K1
On 3 feb, 00:45, Simon King simon.k...@uni-jena.de wrote:
Hi Jason,
On 3 Feb., 05:41, Jason Grout jason-s...@creativetrax.com wrote:
...
I would use fast_callable (which for me is 5x faster than subs), ...
Note that the OP stated that he did try fast_callable, and it was
*slower* than
Hi
Is there some way to calculate elliptic Jacobi functions in sage?
http://en.wikipedia.org/wiki/Jacobi_elliptic_function
thanks!
Oscar
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Sorry, I forgot to describe what's going on. It's this friend of mine,
Luis, who is using Suse now, and wants to run sage. But he gets the
error above.
Thank you!
Oscar.
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This is a known bug:
http://trac.sagemath.org/sage_trac/ticket/9385
So far we've been unable to explain it...
Oscar
On Oct 16, 3:09 am, Rodolfo Navarrete rhopark...@gmail.com wrote:
Hello, I'm trying to compile Sage 4.5.3 on my HP laptop running Ubuntu
10.04. I have followed the instructions
On Oct 8, 7:54 pm, Nils Bruin nbr...@sfu.ca wrote:
If you define x,y,z to be functions of m, it does what you want:
sage: var(m)
sage: x=function(x,m)
sage: y=function(y,m)
sage: z=function(z,m)
sage: diff(f,m)
cos(z(m))*D[0](z)(m) + 2*x(m)*D[0](x)(m) + D[0](y)(m)
Yes, but the point of
On Oct 9, 2:58 pm, jvkersch joris.vankerscha...@gmail.com wrote:
Hi Oscar,
In Sage 4.6 (currently 4.6alpha2) you will be able to do this using
differential forms:
sage: x, y, z = var('x, y, z')
sage: U = CoordinatePatch((x, y, z))
sage: F = DifferentialForms(U)
sage: f = F(x^2 + y +
Hello!
Is there some way to calculate a total differential in sage? I'm
thinking of something that in mathematica would be done like this:
In[1]:= f=x^2+y+Sin[z]
2
Out[1]= x + y + Sin[z]
In[2]:= Dt[f,m]
Out[2]= 2 x Dt[x, m] + Dt[y, m] + Cos[z] Dt[z, m]
In sage I get:
sage:
One last thing, Is there some way to calculate the correlation index
(R^2) of the fit in sage?
thanks!
Oscar
On Aug 29, 12:15 pm, Oscar Lazo estadisticame...@gmail.com wrote:
Thank you very much, that worked perfect. Though I must say I expected
not having to determine the period myself. I
In the command line you can give a command with administrative powers
by writing sudo before it, for examle
sudo mkdir /myfolder
will create a folder in the system root (something which requires
admin powers). You must be carefull when using sudo, since you could
damage your system if you give a
It would be better if you posted the matrix complete, or if it's a
complicated expression, try to simplify it in a way that the error is
still produced. It is difficult to imagine what the problem could be
with so little information.
Oscar
On Aug 28, 6:18 am, samrat samluvs...@gmail.com wrote:
On Aug 23, 8:54 am, Simon King simon.k...@nuigalway.ie wrote:
1. If you write a little program on the command line and it does
something, but simply it doesn't do the right thing or you get strange
error messages about missing attributes -- it would be very hard to
find out that you forgot
implicit_multiplication is very time-saving, and a much more natural way
to write things. I'd love it to be default.
BTW: I could not post this to ask.sagemath. I click in ask your
question and it doesn't get posted.
thanks
Oscar
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Great! thank you!
On Aug 21, 11:50 am, Mike Hansen mhan...@gmail.com wrote:
On Sat, Aug 21, 2010 at 9:31 AM, Oscar Lazo estadisticame...@gmail.com
wrote:
implicit_multiplication is very time-saving, and a much more natural way to
write things. I'd love it to be default.
In your ~/.sage
ask.sagemath.org? Do you get any error message? At least one tag is
required for every question, so did you include a tag?
thanks,
Niles
On Aug 21, 12:31 pm, Oscar Lazo estadisticame...@gmail.com wrote:
implicit_multiplication is very time-saving, and a much more natural way
to write things. I'd
I have now found out about the automatic_names option, that makes
variables be automatically declared.
Unfortunately this is not available in the command line, so editing
~/.sage/init.sage will not work. Can this too be set as a default?
thanks
Oscar
On Aug 21, 5:56 pm, Oscar Lazo
BTW, I am using sage 4.4.4.
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Errr, now that I think of it I should have sent his to sage-devel.
Sorry for the noise, I'll send it there.
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On 16 jul, 09:56, KvS keesvansch...@gmail.com wrote:
Dear all,
somehow the documentation you get by typing command? in a notebook
cell seems messed up (in my case), Sage 4.4.4 on Ubuntu 10.04 with
Firefox 3.6.6. Since a screenshot is probably worth a 1000 words, here
I just noticed the following error appears in the log when i load a
jmol plot:
java version 1.6.0_18
OpenJDK Runtime Environment (IcedTea6 1.8) (fedora-41.b18.fc13-i386)
OpenJDK Server VM (build 14.0-b16, mixed mode)
2010-07-10 13:17:35-0500 [HTTPChannel,6,127.0.0.1] Request error:
Connection to
On 7 jul, 16:34, David Sanders dpsand...@gmail.com wrote:
Hi,
[Using 'Sage Version 4.4.4, Release Date: 2010-06-23' on Kubuntu
10.04]
I have just started using Sage, mainly using the notebook interface,
which on the whole is excellent and impressive!
I started out by trying the new
Then i don't guess it's my fault it doesn't work. Any thoughts about
how to make this work?
On 6 mar, 11:42, Oscar Gerardo Lazo Arjona algebraicame...@gmail.com
wrote:
Hey guys, what's wront with this integral?
sage: integral(x^3/(e^x-1),x,0,oo)
Traceback (most recent call last):
File
On 21 feb, 21:50, Oscar Gerardo Lazo Arjona
algebraicame...@gmail.com wrote:
He is on an amd phenom 965 x4 a 3.4 Ghz processor, and Ubuntu 9.10 64 bits.
It turns out it is actually an Intel core 2 dou
with ubuntu 9.10 32 bits
thanks
Oscar
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That was was a lot of good feedback! I'll try that
thank you all!
Oscar
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On 30 ene, 14:57, Brian Lins lins.br...@gmail.com wrote:
I am running into a problem trying to plot a complex valued function
using parametric plots.
Oh, I didn't realize this thread, before posting a very similar thing.
I do hope this recieves some attention.
thanks
Oscar
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On 22 ene, 00:51, William Stein wst...@gmail.com wrote:
This bug was fixed at the last Sage Days. A fix will appear in some
version of Sage in the near future..
Seehttp://trac.sagemath.org/sage_trac/ticket/2872
and maybe send William Cauchois wcauch...@gmail.com, kudos for
spending hours
On 12 ene, 21:34, William Stein wst...@gmail.com wrote:
On Tue, Jan 12, 2010 at 7:14 PM, Oscar Gerardo Lazo Arjona
algebraicame...@gmail.com wrote:
wouldn't it be a good idea to hard-code certain mathematical expressions
into sage
like pi, I , and e as sage additional keywords so that
On 25 dic, 20:13, William Stein wst...@gmail.com wrote:
Hi guys... Contribute stuff to sage! This is your big chance to
become Sage developers :-)
I'll publish it if you think that's a good idea. I might start
tomorrow.
BTW, I'd also like to use splines or some other smoothing technique.
I've found the same problem. What i did is write a program that
returns lines between nearest-neighbors. But you have to point out the
begining of the curve for it not to make a closed curve. Also, it has
problems with connex? cuves (an 8-shaped curve for instance).
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Hello,
I've compiled sage 4.1.1, and it seems to work nicely. However, I can't run
*.sage scripts from the command line.
I've made a file named test.sage with the following content:
print Hello World
print 8^3
and run sage test.sage
and get the following error:
'import site' failed; use -v
I found this bug in jmol. I tried to run this:
u=var('u')
r1=parametric_plot3d((0.707106781187*(u-0)+0.5,0.707106781187*(u-0)+0.866025403784,0.0*(u-0)+6.12303176911e-17),(u,0,1.57009245868e-16))
(r1).show(aspect_ratio=(1,1,1))
which is plotting points accross a straight line, through a very
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