推 jack7775kimo:題目裡面的f(g(t))measurable應該要改成f(g)g' 03/12 02:36
最近再寫這本
有時卡住想上來請教，感謝
Let g(t) be monotone increasing and absolutely conti. on [a,b]
let f be bounded and measurable on [c,d],c=g(a),d=g(b)
then f(g(t)) is measurable on [a,b] and
d b
∫f(x)dx=∫f(g(t))g'(t)dt
c a
需要一點方向阿~~~~
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 140.113.25.148
※ 編輯: wyob 來自: 140.113.25.148 (03/12 00:00)