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题目在, B7 {# i6 R! g0 P; }" {5 T
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:$ y! a6 n- B# k1 t
1 W2 w* _6 n# ?" w0 W/ A! o |% P1.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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3 d2 a3 b$ ^/ h0 g) R- e5 U2 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?- o# n# a1 n/ Z& l2 q
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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。5 t5 c Y0 H: y! O
可是本质区别是什么哪?- Q* M0 \! S% c% C8 S% t
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5.一样大。5 ?* {/ j. O `6 i! k% z
' n z6 A' y) q. v! y8 T6.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。
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