作者查詢 / bboylu
作者 bboylu 在 PTT [ Grad-ProbAsk ] 看板的留言(推文), 共17則
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1F推:t02/22 15:10
1F推:exp(x)(x^3+3x^4+12x^5+60x^6+.........)02/10 22:23
2F→:x的次方都少加了-號02/10 22:23
1F推:"=>" BY獨立性定義~trivial "<=" 直接積分可以分成兩個積02/10 22:17
2F→:分~就得證了02/10 22:18
1F推:因為你漏了一大堆~5x5的行列式值應該有5!項02/10 02:07
2F→:所以4x4以上的det不能用像3x3的方法求~只能降階或列化簡02/10 02:08
2F推:第四題求UMVUE~指數族找出CSS然後利用CSS找不偏估計量02/10 02:04
1F推:所以你想問= =?01/27 23:15
1F推:絕對收斂所以必收斂01/13 18:18
1F→:先積y的範圍~然後剩下兩個座標用極座標積分01/11 00:08
2F推:令Z^2=X, Z~N(0,1) 作變數變換找X的分配 就可以看出來囉01/11 00:06
1F推:用mgf證01/07 22:18