How do you solve this differential equation:

$\displaystyle 1/2(f')^2 + f - 1/3 (f)^3 = C$

I think the answer for f should have a tanh function somewhere in it.

Thanks

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- Dec 6th 2008, 10:50 AMinvincible110Solving 1st order non-linear differential Equation
How do you solve this differential equation:

$\displaystyle 1/2(f')^2 + f - 1/3 (f)^3 = C$

I think the answer for f should have a tanh function somewhere in it.

Thanks