Top network posts

• 41 Are double pendulums eventually periodic?
• 19 If $f(x)$ satisfies $2f (x) = f(xy) + f(x/y)$, find $f(x)$
• 14 Why aren't orbitals symmetric?
• 11 Why is electromagnetic wave (light) a sine wave?
• 10 Find the general solution of the pde $𝑢𝑢_{xy} + 𝑢_𝑥𝑢_𝑦 = 0$
• 8 Prove that for $x\in\Bbb{R}$, $|x|\lt 3\implies |x^2-2x-15|\lt 8|x+3|$.
• 8 How does a metric tensor describe geometry on a manifold?
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