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题目在
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这回不明白的地方多了。还请高手指点:- {" A! N' b! @
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1.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。& G, T6 Q! y7 f! _& c& r- w* `
$ g% O" v. w; O$ ~0 a7 A) }" J2 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?. O7 d M: Q$ K, K8 `
) t' u4 j( Q7 j2 O4.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。0 h: `' \& b7 s( B" S& g
可是本质区别是什么哪?
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5.一样大。
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- D; i( v S5 Y4 G6 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。/ i; P& F( g) S5 {3 K8 [( P
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