Even I encountered this problem once. Rational(3, 2) should solve it.

On Monday, March 11, 2013 1:19:30 PM UTC+5:30, Manoj Kumar wrote:
>
> Hello,
>
> Ive been trying to add this new hint called 'separable_reduced' in ode.py
>
> According to this,
>
> My equation is  eq = x* df  + f(x)* (1 / (x**2*f(x) - 1)
>
> sol = dsolve(eq, hint = 'separable_reduced) gives sol = log(x**2*f(x))/3 + 
> log(x**2*f(x) - 3/2)/6 == C1 + log(x)
>
>  checkodesol(eq, sol, order=1, solve_for_func=False) also gives True.
>
> However when I do assert sol.lhs == log(x**2*f(x))/3 + log(x**2*f(x) - 
> 3/2)/6 , 
> It gives me an assertion error because the lhs becomes log(x**2*f(x))/3 + 
> log(x**2*f(x) - 1)/6 as 3/2 = 1
>
> I've faced this problem before. How do I overcome this?
>
>
>
>
>
>
>

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