Computer Science Pattern Recoginition (Linear Discriminant Functions)

Just 1 problem. The following problem states...

Let B be a n x n positive semi-definite matrix. Show that K(x,z) = x' B z defines a kernel K(x,z) = <\phi(x),\phi(z)> = \sum_{i=1}^n \phi_i (x)\phi_i(z), where \phi defines the feature space.

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算法 数学 模式匹配

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