equations.py 文件源码

def solveEquation(expr):
    expr = expr.replace('^', '**')
    members = expr.split('=')
    if len(members) != 2:
        raise BadFormatException('Bad number of equals.')

    from sympy.abc import *
    eq = sympy.Eq(*map(eval, members))
    return [{repr(j): repr(k) for j, k in i.items()} for i in _ensureList(sympy.solve(eq, dict=1))]