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题目在
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$ S6 o Q/ S" z- S% R6 E O这回不明白的地方多了。还请高手指点:* R J& q& W' g/ D0 a" t+ N
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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。4 e# @3 w% i3 L6 v" A3 G
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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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% b {4 I/ g* |8 m) s3. 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?2 E2 N' p+ B: j+ K
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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。' J6 a% b; @2 n0 t4 d2 B+ [
可是本质区别是什么哪?
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5.一样大。+ x( X0 x: o2 h. [
3 ^/ t, g3 G; [9 x6 z4 p6.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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