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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:. O# P, u: p8 k' c: j, s/ x7 A/ K
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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。
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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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3 S$ C7 O' j* W; V3. 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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% b. V! i- c: ]+ Z1 b) e& N7 ^, @4 G4.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。% k8 P* `0 U4 G, Z
可是本质区别是什么哪?
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1 m( Q. S6 c0 y# m P5.一样大。
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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。/ F; t, A( l' |5 c
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