Ignore this patch, lots of tests fail. I'm working on it. On Mon, Aug 24, 2009 at 3:44 PM, Luke<hazelnu...@gmail.com> wrote: > Attached is the patch that implements the change from 'lines' to > 'rows' in the Matrix class. > > I'll have the other one finished soon, hopefully git doesn't bite me. > > ~Luke > > On Mon, Aug 24, 2009 at 2:54 PM, Luke<hazelnu...@gmail.com> wrote: >> Ondrej and I cooked this patch up together while we were at the Scipy >> conference. It implements the following: >> >> 1) Matrix.get_diag_blocks() -- returns a list of square matrices >> taken from the main diagonal of self. >> 2) block_diag(list_of_matrices) -- given a list of square matrices, >> return a new Matrix instance with each of the matrices in the list on >> the main diagonal >> 3) Keword argument "try_block_diag"=False added to Matrix.inv() so >> that instead of calling the appropriate inversion method on the whole >> matrix, the method is instead called on each block diagonal sub matrix >> and then the complete inverse is assembled from the individual >> sub-inverse matrices. >> 4) Added an empty line to the end of each docstring with a doctest so >> that both "bin/doctest sympy/matrices" and "bin/doctest >> sympy/matrices/matrices.py" pass all doctests. >> >> If anybody is inverting symbolic matrices with entries which are sympy >> expressions, I have found that using "try_block_diag"=True results in >> drastically reduced amount of time to invert the matrix. >> >> Thanks, >> ~Luke >> >> ---------- Forwarded message ---------- >> From: Luke <hazelnu...@gmail.com> >> Date: Mon, Aug 24, 2009 at 2:43 PM >> Subject: Re: reno >> To: Ondrej Certik <ond...@certik.cz> >> >> >> I fixed all the doctests in matrices.py to have one line at the end >> and squashed it into a single patch that implements all of the block >> diagonal stuff we worked on. I'll send the patch to the mailing list >> for review, but I have also attached it on this email. >> >> ~Luke >> >> On Mon, Aug 24, 2009 at 2:15 PM, Ondrej Certik<ond...@certik.cz> wrote: >>> You are right, I am getting failures too, if I execute the >>> matrices.py. This should work --- could you please report it in the >>> issue? >>> >>> Thanks, >>> O. >>> >>> On Mon, Aug 24, 2009 at 1:36 PM, Luke<hazelnu...@gmail.com> wrote: >>>> No, it is fine. I was doing: >>>> $ bin/doctest sympy/matrices/matrices.py >>>> instead of >>>> bin/doctest sympy/matrices/ >>>> >>>> ~Luke >>>> >>>> >>>> On Mon, Aug 24, 2009 at 1:21 PM, Ondrej Certik<ond...@certik.cz> wrote: >>>>> in master or in the blocks branch? I am not getting any failures in >>>>> either: >>>>> >>>>> $ bin/doctest sympy/matrices/ >>>>> ============================= test process starts >>>>> ============================== >>>>> executable: /usr/bin/python (2.6.2-final-0) >>>>> >>>>> /var/lib/python-support/python2.6/IPython/Magic.py:38: >>>>> DeprecationWarning: the sets module is deprecated >>>>> from sets import Set >>>>> sympy/matrices/__init__.py[0] >>>>> [OK] >>>>> sympy/matrices/matrices.py[21] ..................... >>>>> [OK] >>>>> >>>>> ================== tests finished: 21 passed in 0.08 seconds >>>>> =================== >>>>> >>>>> >>>>> >>>>> Ondrej >>>>> >>>> >>> >> >
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