d{f(t) + g(t)}/dt = df(t)/dt + dg(t)/dt...分配率
d{f(t) g(t)}/dt = f(t) {dg(t)/dt} + {df(t)/dt} g(t)
If f(t) = g(u(t)), then:
=> df(t) / dt = [df(t)/du(t)] [du(t)/dt] = [dg(u) / du(t)][du(t)/dt]...連鎖率
Question: Prove the formula.
數學物理證明題
2007-10-11 7:23 am
回答 (1)
2007-10-11 7:30 pm
參考: My Maths knowledge
收錄日期: 2021-04-23 17:18:13
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071010000051KK04699