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题目在
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, n6 Y5 r2 `. X2 a- t4 q这回不明白的地方多了。还请高手指点:' k, W, ~# a+ s' |: u
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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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3 H' A# ~- x) m2 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. , W% ]* q, s$ K' D7 E
' i+ `0 ~! _9 T3. 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?7 v( x z8 x! z& r q' ~
# T j! l9 s! h' k# x4.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。
1 x/ ?* y! b C1 o! Z2 Q1 u/ o, O可是本质区别是什么哪?/ y. O* p3 i0 I; D
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5.一样大。, a! l, A2 b( [4 v* g) F' q
O# Z$ n& ?& a1 A5 A' I9 l/ 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。; v8 |: C+ Q2 D
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