• ## Klaas van Aarsen

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• ### Recent Forum Posts

#### Re: Maximum value a function satisfying a differential equation can achieve.

When I throw it at Octave online, I get:

So it seems it is none of the above, but the answer $3$ is close.

Klaas van Aarsen Today, 17:57

#### Re: MHB's future - sell, merge, or archive

I'm more active on FMH, and still not great there, but I think a merge, in my humble opinion, would be a good thing for the help community.
The

firemath Today, 14:51

#### Maximum value a function satisfying a differential equation can achieve.

Let $f:\mathbb R\to \mathbb R$ be a twice-differentiable function such that $f(x)+f^{\prime\prime}(x)=-x|\sin(x)|f'(x)$ for $x\geq 0$. Assume that $f(0)=-3$

caffeinemachine Today, 14:20

#### Re: Transportation calculus

Thank you a lot for this help Skeeter, It really helped me with my work. You are a wonderful person.

ducduy Yesterday, 23:00

#### Re: 3.4.6 limit of a power function

Prove It is not giving you the answer he is giving you a suggestion that you can use the limit he posted. See if there is any kind of substitution you

topsquark Yesterday, 17:02