I use sympy only via sympy.physics.mechanics to set up symbolic equations of motion for rigid body systems. Some of them may take quite some time be be set up. I would imagine, that a 'faster sympy' may make this process faster, too. ( I personally only play around with this, but I am sure there are real world applications using sympy.physics.mechanics)
On Sat 19. Aug 2023 at 23:52, David Bailey <d...@dbailey.co.uk> wrote: > On 16/08/2023 16:13, Oscar Benjamin wrote: > > Hi all, > > > > I have written a blog post about recent work on SymPy and what I think > > should be future development plans: > > > > https://oscarbenjamin.github.io/blog/czi/post1.html > > > > This is the first in a series of posts and in this one I describe what > > I think are the core parts of SymPy and outline from a high level what > > I think should be done going forwards. Subsequent posts will describe > > specific components in more detail. > > > > Oscar > > > I do wonder slightly if pushing for higher speed in symbolic operations > is worth it if it causes a lot of disruption, or distracts from other > work that might be more useful. > > Symbolic calculations are wonderful in the right circumstances, however, > the cost of symbolic calculations grows pretty steeply with the size of > the problem. > > Everything becomes clumsier, for example fractional coefficients get > much more complicated after a few mathematical steps. > > That means that multiplying the raw computational speed by 10 (say) may > only expand the pool of problems that can be solved in a reasonable time > very slightly. > > There is also the problem that complicated symbolic results are often > not very useful. For example the solutions of a quadratic equation are > well known and very useful. However, the corresponding solutions for > cubic or quartic equations are really only of theoretical interest. It > is even possible to get solutions for quintic equations (so I am told) > by using theta functions. My point is, that these are of no practical use. > > Do you have some motivational examples of what can be achieved by moving > from SymPy to SymEngine? (I just use SymEngine for comparison purposes) > > David > > > > -- > You received this message because you are subscribed to the Google Groups > "sympy" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to sympy+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/sympy/547aac8a-68b4-ac68-c0b6-c7d5cda9a44e%40dbailey.co.uk > . > -- Best regards, Peter Stahlecker -- You received this message because you are subscribed to the Google Groups "sympy" group. To unsubscribe from this group and stop receiving emails from it, send an email to sympy+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sympy/CABKqA0atz5WUrXO7ukXVnOSkDmu3vGry6nxXTMJ8caGD5B7vrw%40mail.gmail.com.
