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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:
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& L, K" o& e ^8 D* ~0 }& f+ b1.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。( t& v/ R# G7 o; k
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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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1 j% E; Q7 ]; ]4 j" Q& Z# r/ [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?) |% @9 r$ f6 p6 Z
- J7 j( t9 k$ H0 F% D2 U9 `* L4.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。+ U, C7 \/ ]3 {% e
可是本质区别是什么哪?
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5.一样大。4 Q/ N4 x% Q" C) Q: F
' Q/ i8 h+ u) s/ r& h% q6.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。8 ]" c8 w) O$ {& B
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