推 Lpspace :感覺你寫錯了,而且這一般機統的書不是都有推導? 12/29 08:23
→ linshihhua :離散型隨機變數維基百科上面有寫但是沒寫原因 12/29 18:22
→ linshihhua :For example, the probability density function 12/29 18:23
→ linshihhua :f(x) of a discrete distribution consisting of 12/29 18:24
→ linshihhua :points X={x1,x2...xn}, with corresponding 12/29 18:25
→ linshihhua :probabilities p1,p2,...pn can be written as 12/29 18:26
→ linshihhua :f(x)=Σpiδ(x-xi), i=1...n 12/29 18:28
→ linshihhua :隨機變數的轉換的話我是看到一篇論文裡面有提到 12/29 18:28
→ linshihhua :因為我找一般機率統計的書裡面好像沒有這種表示 12/29 18:33
→ mantour :離散型的這性質你天天在用用到不曉得自己在用= = 12/30 00:50