On Feb 22, 10:01 pm, P Purkayastha <ppu...@gmail.com> wrote: > Hi, > At present the code for printing the eigenvectors of a matrix gives > output in different "formats" depending on the field used. For RDF/CDF, the > output appears an a single line. Yes, I have always found this formatting quite ugly, mostly because it is happening to the middle item of a triple.
Other than to achieve this formatting, I wonder why Sequence was used at all? And I'd guess for large instances it chews up some time as well, since IIRC creating a Sequence searches for a common parent of the elements of the sequence. If you want a basis to look nice, you can ask for the basis matrix, which will format as a matrix. As a side note, this cr=True formatting actually makes it *harder* to create doctests, because there are fewer natural locations of whitespace to use for line-breaking or indenting (or something like that). Having said all that, I use Sequence(cr=True) all the time when working in the notebook, to present large output nicely (but never in library code). It'd be nice to have a general-purpose command to tidy up "big" lists and tuples (or combinations of these). My preference would be to drop cr=True (and maybe even Sequence) in the construction of a basis in a free module, *unless* somebody with some institutional memory has a good justification for why the choice was made originally. Thus: 1. [X] Stop passing the keyword cr=True (i.e. make the other fields output as in RDF/CDF) -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org
