exploits the fact that in many learning algorithms, the weights can be written as a linear combination of input points

[Solved] The kernel trick

Q.	The kernel trick
A.	can be applied to every classification algorithm
B.	is commonly used for dimensionality reduction
C.	changes ridge regression so we solve a d ?? d linear system instead of an n ?? n system, given n sample points with d features
D.	exploits the fact that in many learning algorithms, the weights can be written as a linear combination of input points
Answer» D. exploits the fact that in many learning algorithms, the weights can be written as a linear combination of input points

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