# What can be called AI ---  ---- Can machine think --- # machine ---- electrical computer ---- human computer ----  --- # think ----  ---- Chat-GPT 做到了 ---- ## Benchmarks - GLUE - SQuAD --- Turing machine ----  ---  ----  model bia --- 傳統電鍋/熱水壺是溫度達到一個程度後就會跳開 ( 燒開水 )，這就是激勵函數的概念 例如： - 溫度 125 度 以下保持加熱 ( switch = 0 ) - 超過 125 度的時候跳停 (switch = 1 ) ---- ```python def check(t): if t > 125: return 1 return 0 ``` ---- sigmoid  ---- $e = 2.71828182845904523536\cdots$ $近似值約為 271801 99990 {\displaystyle {\frac {271801}{99990}}}。$ ---- $\lim_{n\to\infty} \left(1+\frac{1}{n}\right)^n$ ----  ---- sigmoid  ---- ReLu  ---- ----