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题目在+ g5 b( ~5 s- `
http://www.aswetalk.org/bbs/blog-1753-7898.html2 o( H) k* p9 k* ~- \
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这回不明白的地方多了。还请高手指点:2 c, E M3 H) y8 ~. F
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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。5 d9 l$ P8 H& n1 d) O
+ F$ W8 q' V5 m4 x/ v( j2 R' {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. - Y' o' B( ~8 N/ f
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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?
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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 x( H8 P( C" p
可是本质区别是什么哪?
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9 i# j. `- t! Z5.一样大。& J1 v: C# \; g
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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。3 F$ o/ O- c/ t# h5 L
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