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chickn (version 1.2.3)

ObjFun_OMP_cpp: Objective function

Description

Objective function of the minimization with respect to the cluster centroids

Usage

ObjFun_OMP_cpp(c, W, residue)

Arguments

c

is a cluster centroid 1xn

W

is a frequency matrix mxn

residue

is a vector

Value

The objective function value

Details

The residue vector is equal to \((Sketch(Data, W) - \sum_{k=1}^K \alpha_k *Sketch(c_k, W))\).