第三題:假設連續。冷水位置:f(x) = x for all x, 熱水位置:g(x).

來源: 2023-11-24 07:49:49 [博客] [舊帖] [給我悄悄話] 本文已被閱讀:

Brouwer's fixed point theorem --> there is an x0 such that g(x0) = x0, which implies that g(x0) is f(x0).