题目在 . U; p( I P7 @9 e6 khttp://www.aswetalk.org/bbs/blog-1753-7898.html 7 @0 f. U. w! f; q9 v9 |( T5 e$ ~ H8 W! H! O: k' e* }
这回不明白的地方多了。还请高手指点: ' N1 O9 r2 v2 C. S8 m 2 ?/ d6 W; Q( [1 Q3 I! [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。 3 u. I! k0 t2 }9 E/ a0 P : l" x! R1 ^/ f% A A3 |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. & K9 G0 s" ^/ I* s8 H$ e/ r3 G" D. ?& Y% d
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?0 x! Q" x7 ^ G
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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+ s4 D( A* G( {0 e8 e可是本质区别是什么哪? , J/ R" X |4 C7 q8 \+ d& T& s* |- [+ H3 g; [" G
5.一样大。+ u% a+ c9 \" v* d+ z5 a' H