Comment #5 on issue 2307 by [email protected]: Duplicate methods:
as_coeff_mul and as_coeff_Mul
http://code.google.com/p/sympy/issues/detail?id=2307
Like this?
h[1] >>> def em(eq):
... c, x = eq.as_coeff_mul()
... if len(x) and x[0].is_Number:
... c *= x[0]
... x = x[1:]
... return c, x
...
h[1] >>> em(4.*x)
(4.00000000000000, (x,))
h[2] >>> em(-3*x)
(-3, (x,))
h[3] >>> em(-3.0*x)
(-3.00000000000000, (x,))
h[3] >>> em(-3.0*pi*x)
(-3.00000000000000, (pi, x))
h[4] >>> (-3.0*pi*x).as_coeff_Mul()
(-3.00000000000000, pi*x)
h[5] >>>
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