Box-Muller Posted on 2020-06-15 | 0 comments Words count in article 3985 | Reading time 19 Box-Muller公式：\(\begin{matrix}\text{设, }U_1,U_2 \sim Uniform(0,1)\\\left\{\begin{matrix}z_1=\sqrt{-2 \ln U_1} \cos (2 \pi U_2)\\z_2=\sqrt{-2 \ln U_1} \sin (2 \pi U_2)\end{matrix}\right.\end{matrix}\)为什么它服从标准正态分布证：设\(z_1和z_2\)服从联合概率分布，则 \(\iint P(X=... Read more »
PageRank Algorithm Posted on 2020-06-14 | 0 comments Words count in article 1643 | Reading time 8 PageRank Read more »
B-Tree Posted on 2020-06-10 | 0 comments Words count in article 7492 | Reading time 37 B-tree Read more »
Heap Posted on 2020-05-29 | 0 comments Words count in article 4580 | Reading time 22 Heap Read more »
How to Solve The Shortest Path Problem in Grapgh 1.2 Posted on 2020-05-26 | 0 comments Words count in article 12893 | Reading time 64 Breath Fisrt Search Read more »
Dynamic Programming 1.3 Posted on 2020-05-23 | 0 comments Words count in article 2459 | Reading time 12 Knapsack problem Read more »