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题目在
' ^8 e8 Y4 N$ c' }http://www.aswetalk.org/bbs/blog-1753-7898.html
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这回不明白的地方多了。还请高手指点:
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" t: O4 X+ e. |/ d/ 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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! [+ `# i. Q# e) K+ `* }2 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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. N3 D; r* F& v4 S- W" h0 F3. 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?
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0 P) M$ k; b( K) X4.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。7 ^& s0 E' _3 @+ b! M
可是本质区别是什么哪?
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/ R3 [8 c% X* Z/ E, k7 `5.一样大。1 q+ y/ K7 }& G' H
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6.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。0 A& E- {( m7 ^$ X. P
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