Web什么是RKHS? RKHS全称叫再生希尔伯特空间(Reproducing kernel Hilbert space).首先希尔伯特空间 \displaystyle \mathcal{H} 是一个完备的内积空间（完备意味着里面的数列取极限是收敛的），在这个空间里有很多有用的性质，比如说这个空间的内积可以用来构造范数 \displaystyle \ x\ =\sqrt{( x,x)} ，所以该空间也是赋范 ... WebA hatch is an opening in a ceiling or a wall, especially between a kitchen and a dining room, which you can pass something such as food through.

Hatch Distance - an overview ScienceDirect Topics

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Hatch 释义 柯林斯英语词典 - Collins Dictionary

Webn. 【机械工程】 (制图)晕?，影线。. Hatching (hachure in French) is an artistic technique used to create tonal or shading effects by drawing (or painting or scribing) closely spaced … http://danci.hxen.com/h/hatching.html http://danci.hxen.com/h/hatching.html long-term capital gains tax rates