[sage-support] Re: Groups, Rings, Fields?

2008-12-04 Thread Jeffrey Straszheim
Tim Lahey wrote: Oh, thanks a lot. I'll look for it. I prefer applied math texts so I definitely appreciate the recommendation. I don't want mislead you. It is still a pure math text. Abstract algebra, which is where you'll find coverage of groups, rings, and fields, is usually pretty far

[sage-support] Re: Groups, Rings, Fields?

2008-12-03 Thread Jeffrey Straszheim
Tim Lahey wrote: Hi, I'm an engineer by training, so my knowledge of mathematics is very applied. A lot of things in Sage deal with Groups, Rings, and Fields so I'd like to broaden and improve my mathematics knowledge. Could someone suggest a good introductory reference (and possibly an

[sage-support] Re: Error when launching Sage

2008-11-28 Thread Jeffrey Straszheim
That appears to have worked. Thank you. You have hit a bug introduce by accident via #3761. Edit the file $SAGE_ROOT/local/lib/sage-flags.txt and remove the nx and up flag. Cheers, Michael --~--~-~--~~~---~--~~ To post to this group, send email to

[sage-support] Error when launching Sage

2008-11-27 Thread Jeffrey Straszheim
I've just downloaded and launched Sage on an Ubuntu 8.10 box. I unzipped the file and ran ./sage and got this: WARNING! This Sage install was built on a machine that supports instructions that are not available on this computer. Sage will likely fail with ILLEGAL INSTRUCTION errors!