5 T5 A! A# p2 A4 z9 {6 f1.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。 6 g% p4 W3 q0 R! Q7 y" z4 d4 x9 g/ f# H) y! z5 t. }1 U) r3 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. , ]4 J* s. i7 h4 g3 N / e* r: X0 `- ^$ k' I3. 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?$ W3 A0 ^- M" A! E( z
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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。 H. W' f7 J# k% O: |可是本质区别是什么哪?$ y/ H s9 D6 d
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5.一样大。 8 ]- ~" w1 H9 Z! f1 l+ B; C 7 K+ p+ f; P* f8 J* Q! 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。) [5 B& Y: P0 y/ c( ]" o4 t
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