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题目在' J+ d, d, ?5 P$ l+ N. U
http://www.aswetalk.org/bbs/blog-1753-7898.html5 j1 f' U$ O5 P- A, L
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这回不明白的地方多了。还请高手指点:
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* c1 U$ g4 Y7 J& Z& u- j; F; H1.不知道。 高低中音什么的一点都不知道。不过解题思路就是找可能的组合个数。
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0 C5 ~* n( }1 G2 E' n2 well, I can reason a bit from the names of these optimization types. The advantage of randomized optimization is for looking for global minimum without being trapped by a local minimum (which is often the case for deterministic optimization). so far (a few years ago before I left school, to be accurate) optimization is cursed by dimensionality, and random optimization has only limited success.
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3. 没听说过傅里叶空间插值。如果有的话也不奇怪。那么像实空间插值类似,傅里叶空间插值能准确复原已知频率的结果。别的还有什么呢?( w; L4 G5 r: I* b1 G* p' y- D) i
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4.不知道。我只知道复数比较奇妙。有个柯西定理,复函数如果一阶可导,则无穷阶可导。这在实函数是不可能的。& m( y. j+ d- {/ z4 _9 N/ P; @
可是本质区别是什么哪?) n/ H. Y. ~) w& W { F8 J
! ?( e- i- _8 i/ j0 {4 o" [5.一样大。. ~/ a8 T9 l) d$ o( m8 D& N
$ |- d5 L# q' m4 R6 s6.蒙特卡洛的实质?我也不知道。它的误差是 O(1/sqrt(N)), N是sample个数。7 I8 l4 _- y+ G$ R
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