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题目在
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- M6 k5 p/ t, ?! c$ Y- o E这回不明白的地方多了。还请高手指点:1 a! g/ i3 {& u0 [" \0 _( V) k
4 ]0 I% y1 Z/ i6 o# q& p7 S- a1.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。( @8 G* D( ]- v0 G$ y! j
4 N$ a0 A! T* y+ H8 J2 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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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。# T9 d h' I! X/ E3 X) T9 Y/ d
可是本质区别是什么哪?
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S1 X. {# I: Y' [" X6 |5.一样大。
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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。8 _$ p% w+ C& p) u
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