Re: [sage-support] Sheaf Cohomology Calculations

2010-08-11 Thread Alex Ghitza
Hi, On Tue, 10 Aug 2010 13:52:09 -0700 (PDT), abak anthony@gmail.com wrote: How do I do sheaf cohomology calculations on a variety described as a complete (or local complete) intersection in P^n. I can define the variety by (for example): P5, x = ProjectiveSpace(5, QQ).objgens() X =

Re: [sage-support] Re: Cannot upgrade for 4.5.1 to 4.5.2

2010-08-11 Thread Mitesh Patel
On 08/11/2010 12:37 AM, samrat wrote: Here is the output of the command sage -upgrade. I installed and am upgrading as root. I am using CentOS 5.5 as a single user. # sage -upgrade Downloading packages from http://www.sagemath.org//spkg Reading package lists... Traceback (most recent call

[sage-support] Re: Cannot upgrade for 4.5.1 to 4.5.2

2010-08-11 Thread samrat
Hi, # sage -upgrade ask Downloading packages from http://www.sagemath.org//spkg Reading package lists... Traceback (most recent call last): File /usr/local/pkgs/sage_4.5/local/bin/sage-update, line 357, in module do_update() File /usr/local/pkgs/sage_4.5/local/bin/sage-update, line 266,

[sage-support] VMware memory allocation: how to change it with version 4.5.2?

2010-08-11 Thread Rolandb
Hi, VMware is supported again which I appriciate very much. But there is a difference with (for instance) Sage 4.1. With Sage 4.1 I could change the memory allocation via the option VM Settings. With Sage 4.5.2. the allocation is only 512Mb, and can't be changed. Any solution at hand? Thanks in

[sage-support] help! windows crash - sage inaccessible from host browser

2010-08-11 Thread Josh
This is probably completely noobish of me, but I really need help solving the following problem (which has now occurred for the second time). First, the setup: Sage Version 4.3 VirtualBox 3.1.4 Windows 7 Firefox 3.6.8 My machine crashed with the VM running Sage. When I rebooted, I restarted

[sage-support] Re: plotting on-screen with pylab in sage -python

2010-08-11 Thread Greg
Thanks for the post - I was having the same problem and used your post to figure things out :) Anyways, it turns out that wxPython and pyqt are both available as Sage packages. They are available under the experimental package listing: http://www.sagemath.org/packages/experimental/ So there is no

[sage-support] Re: problem with installation ??

2010-08-11 Thread julien
Ok I finally compiled it myself, It work fine !!! thanks !!! On Aug 9, 5:28 pm, julien julien.d...@gmail.com wrote: Thanks for the answer, I downloaded the new version on the website (version 4.5) and I followed this tutorial :https://help.ubuntu.com/community/SAGE unfortunately I have still

Re: [sage-support] VMware memory allocation: how to change it with version 4.5.2?

2010-08-11 Thread Alex Ghitza
Hi, On Wed, 11 Aug 2010 10:02:03 -0700 (PDT), Rolandb rola...@planet.nl wrote: But there is a difference with (for instance) Sage 4.1. With Sage 4.1 I could change the memory allocation via the option VM Settings. With Sage 4.5.2. the allocation is only 512Mb, and can't be changed. Any

[sage-support] Re: VMware memory allocation: how to change it with version 4.5.2?

2010-08-11 Thread Rolandb
On 11 aug, 23:45, Alex Ghitza aghi...@gmail.com wrote: Hi, On Wed, 11 Aug 2010 10:02:03 -0700 (PDT), Rolandb rola...@planet.nl wrote: But there is a difference with (for instance) Sage 4.1. With Sage 4.1 I could change the memory allocation via the option VM Settings. With Sage

[sage-support] Re: help! windows crash - sage inaccessible from host browser

2010-08-11 Thread Rolandb
On 11 aug, 22:36, Josh yoshua.coo...@gmail.com wrote: This is probably completely noobish of me, but I really need help solving the following problem (which has now occurred for the second time).  First, the setup: Sage Version 4.3 VirtualBox 3.1.4 Windows 7 Firefox 3.6.8 My machine

[sage-support] Re: evaluating numerically a function expression

2010-08-11 Thread Jason Grout
On 7/25/10 3:46 PM, Maurizio wrote: is there any form of pattern matching in sage? that should be the basic tool to do something like you mentioned, is it correct? Yes, there is pattern matching. See

[sage-support] Re: fast_float() trashes worksheet namespace

2010-08-11 Thread Jason Grout
On 7/24/10 2:16 PM, Simon King wrote: Hi Jason, On 24 Jul., 19:54, Jason Groutjason-s...@creativetrax.com wrote: Or it sounds like the computation probably is crashing the Sage instance with a MemoryError. After the crash, when a new Sage instance is started, nothing is defined anymore, of