Can you give a specific example? What printer are you using? They worked fine for me.
Aaron Meurer On Aug 31, 2012, at 7:02 AM, Matthew Rocklin <[email protected]> wrote: Whoops! Probably my mistake. Also, this might just be my system but the SymPy live shell doesn't display matrices properly in the pop-up window in the docs. It still works fine at live.sympy.org. On Thu, Aug 30, 2012 at 7:02 PM, Aaron Meurer <[email protected]> wrote: > On Thu, Aug 30, 2012 at 6:00 PM, Ondřej Čertík <[email protected]> > wrote: > > On Thu, Aug 30, 2012 at 4:50 PM, Aaron Meurer <[email protected]> > wrote: > >> Cramer's method is useful for instructive purposes, and also for > >> theory, but practically, it is highly inefficient. The method used by > >> SymPy is Gaussian elimination, which is the most direct way to solve a > >> system of linear equations. > >> > >> Of course, if you want to use SymPy to use Cramer's method, that is > >> possible. I'm not sure what the best method to get the matrices with > >> columns replaced is. Perhaps we should add some method like > >> col_replace (and row_replace) to Matrix, which would make this easier. > > > > SymPy can use Cramer's method to do a matrix inverse, see the > > docstring of Matrix.inv(). > > > > This reminds me that for some reason Matrix class is not exposed in the > docs: > > > > > http://docs.sympy.org/dev/modules/matrices.html#sympy.matrices.matrices.Matrix > > > > there is only one line "alias of MutableMatrix". > > > > Ondrej > > Ah, apparently whenever Matrix was renamed to MutableMatrix, no one > updated the docs. I'll put a commit fixing this in PR 1507 (the > release PR). > > Aaron Meurer > > -- > You received this message because you are subscribed to the Google Groups > "sympy" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/sympy?hl=en. > > -- You received this message because you are subscribed to the Google Groups "sympy" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/sympy?hl=en. -- You received this message because you are subscribed to the Google Groups "sympy" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/sympy?hl=en.
