derwind https://blog.hatena.ne.jp/derwind/ らんだむな記憶 https://randommemory.hatenablog.com/ math-other functional equations - Finding a function $h$ that satisfies $h \left ( \frac{x}{x^2+h(x)} \right )=1$ - Mathematics Stack Exchange より。$$ \begin{align*} h \left( \frac{x}{x^2 + h(x)} \right) = 1 \tag{1} \end{align*} $$ $h(x) \neq \text{constant}$ $\exists \frac{dh}{dx}$ $\exists h^{-1}(x)$ $\exists … 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Frandommemory.hatenablog.com%2Fentry%2F2022%2F03%2F26%2F181432" title="再帰的な方程式 - らんだむな記憶" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2022-03-26 18:14:32 rich https://randommemory.hatenablog.com/entry/2022/03/26/181432 1.0 100%