Comment #1 on issue 1325 by rwnobrega: solve(2**x-5*x, x) gives
assertionerror
http://code.google.com/p/sympy/issues/detail?id=1325
From solvers.py:
""" This module contain solvers for all kinds of equations:
- algebraic, use solve()
- recurrence, use rsolve()
- differential, use dsolve()
- transcendental, use tsolve()
- nonlinear (numerically), use msolve() (you will need a good
starting point)
"""
So, this works:
In [1]: tsolve(2**x-5*x, x)
Out[1]:
⎡ ⎛-log(2)⎞⎤
⎢-LambertW⎜───────⎟⎥
⎢ ⎝ 5 ⎠⎥
⎢──────────────────⎥
⎣ log(2) ⎦
Maybe solve should be renamed to something like asolve and solve itself
should guess
the appropriate kind of equation (algebraic, transcendental, etc) and,
accordingly,
call asolve, tsolve or whatever.
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