[sympy] solve piecewise unhashable type list

2013-08-05 Thread George Gerber
Apologies, i see my last line of code should read: print solve([s-1],[e]) -- 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 post to

Re: [sympy] solve piecewise unhashable type list

2013-08-05 Thread George Gerber
Hi i used sympy 0.7.3 -- 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 post to this group, send email to sympy@googlegroups.com.

[sympy] solve piecewise unhashable type list

2013-08-04 Thread George Gerber
Good day, I am trying to solve three force equilibrium equations. I have simplified the code below to only 1 equation to better show the error i get (typeerror: unhashable type list). The problem appears to be the use of piecewise. Would somebody be so kind as to show how to make piecewise and

Re: [sympy] solve piecewise unhashable type list

2013-08-04 Thread Stefan Krastanov
Hi I what version of SymPy did you try this? On 4 August 2013 15:33, George Gerber george.ger...@gmail.com wrote: Good day, I am trying to solve three force equilibrium equations. I have simplified the code below to only 1 equation to better show the error i get (typeerror: unhashable type

Re: [sympy] solve piecewise unhashable type list

2013-08-04 Thread Aaron Meurer
It looks like this has been fixed in master. Now it gives NotImplementedError: could not solve Piecewise((0, e = 0), (e*smax/emax, e emax), (smax, True)) - 1. Aaron Meurer On Sun, Aug 4, 2013 at 7:04 AM, Stefan Krastanov krastanov.ste...@gmail.com wrote: Hi I what version of SymPy did you