[sage-support] Re: Questions about Matrices and Solving Linear Systems

2008-10-01 Thread John H Palmieri
On Oct 1, 9:15 am, Jason Grout <[EMAIL PROTECTED]> wrote: > Stephen Hartke wrote: > > Martin and Jason: > > > Thanks for your responses!  They were exactly what I looking for.  I > > knew there had to be easy ways of changing matrices, but none of these > > things are listed in the documentation

[sage-support] Re: Questions about Matrices and Solving Linear Systems

2008-10-01 Thread Jason Grout
Stephen Hartke wrote: > Martin and Jason: > > Thanks for your responses! They were exactly what I looking for. I > knew there had to be easy ways of changing matrices, but none of these > things are listed in the documentation on the web at sagemath.org > (at least, not

[sage-support] Re: Questions about Matrices and Solving Linear Systems

2008-10-01 Thread Stephen Hartke
Martin and Jason: Thanks for your responses! They were exactly what I looking for. I knew there had to be easy ways of changing matrices, but none of these things are listed in the documentation on the web at sagemath.org (at least, not that I could find). Thanks again! Stephen --~--~-

[sage-support] Re: Questions about Matrices and Solving Linear Systems

2008-10-01 Thread Jason Grout
Martin Albrecht wrote: > On Wednesday 01 October 2008, Stephen Hartke wrote: >> Is there an easy way to delete a row or column? The same questions apply for >> matrices over the rationals. > > sage: A.matrix_from_rows([0,2]) > [76 36 72] > [29 58 49] You can also use notation that may be more

[sage-support] Re: Questions about Matrices and Solving Linear Systems

2008-09-30 Thread Martin Albrecht
On Wednesday 01 October 2008, Stephen Hartke wrote: > Hi! I have some questions about matrices and solving linear systems of > equations. These issues arose out of my using Sage for examples in my > Linear Optimization class (it's great for demonstrating how the simplex > algorithm works!) and f