william ratcliff wrote: > Hi! My student, William Flynn, has been working a lot this summer > using sympy--thanks for all of the efforts on this project. We're > doing some work in a windows environment and find that pretty printing > (to generate pngs) still has a problem. Our hack at the moment is to > use the python subprocessing module to call latex and later run yap. > We need to clean things up so that we check for existence of latex on > the user's machine, etc--but is this the approach that the community > would like to take? We also considered tried to go the matplotlib > route to generate pngs, but ran into a problem with long equations > (which ironically, was a problem in latex as well). > > Also, we have some rather long expressions involving exponentials, > dirac delta functions, etc. and latex has difficulty breaking them up > automatically. In the mathematical literature, it would seem that > people generally do this themselves using several > align statements. One possibility that we are considering is breaking > up the expression by numbers of terms, but in sympy, > is there an easy way to determine if for example a '+' sign is inside > of a function, or outside of a function? Also, while this may work > for us, might some kind of "printing_strategies" class be useful, > which a user could subclass? > > Cheers, > William > > > Look at the source code (latex_ex.py) for the extended latex printer in the geometric algebra directory (galgebra). I already implemented the testing and calling of a latex dvi viewer in both linux and windows. Also look in the sympy docs at:
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