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题目在' I8 J( B- i9 U! | B" g" F
http://www.aswetalk.org/bbs/blog-1753-7898.html
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# @( X1 u9 `; y4 k这回不明白的地方多了。还请高手指点:
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7 S R, V1 H) r/ N3 o( f6 g: Y1.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。; e G4 p4 z0 j' ^- v$ C& i
3 W' s6 V* b! J7 T# ]( I# X7 a( P9 W2 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. # B0 L& }: z8 C. Y$ g
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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?9 |' g4 J3 Z0 J7 T' U
: i- `8 z3 _ Y+ ^1 z4.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。/ l7 g" R1 u. x; Y. ^
可是本质区别是什么哪?
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9 J4 F3 |( v' \9 e0 ~5.一样大。# q8 d$ _( n0 X) V
* G: \6 q5 Q( [, n0 c6.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。% [+ y9 e5 P- G: U$ H( @
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