On Aug 19, 2010, at 1:18 PM, Christian Muise wrote: > Good idea. The ability to generate random expressions is very useful. We > should make this more general and add it to sympy/utilities/iterables.py. > > It's mesmerizing...may make the thing into a screen saver ;). > > I had to make a few modifications to your script. First off, you were testing > if integral(function.diff(x)) == function, which has two problems: first, you > don't even pass it to simplify(). As I said, the integral will usually not > look like the original function. > > Ahh, right. Does it make sense to simplify the original formula before > returning it from build_func? Attached is a copy that simplifies that > equation, as well as the diff. > > Fourth, I also regular print the original expression, which makes it easier > to copy and paste it if it is wrong and I need to debug it. > > I attached an improved script. Thanks for taking the time to look into this. > > So the attached alteration (which is just a few edits to yours...we should > invent a system to control versions of files or something ;)) also makes the > seed explicit. You can copy the printed seed into the source to repeat the > same tests.
It already exists. It's called GitHub gist. > > Cheers Aaron Meurer -- You received this message because you are subscribed to the Google Groups "sympy" group. To post to this group, send email to sy...@googlegroups.com. To unsubscribe from this group, send email to sympy+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/sympy?hl=en.
