Proximal gradient method: Difference between revisions

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x_{k+1} = P_{C_1} P_{C_2} \cdots P_{C_n} x_k
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However beyond such problems [[projection operator]]s are not appropriate and more general operators are required to tackle them. Among the various generalizations of the notion of a convex projection operator that exist, proximityproximial operators are best suited for other purposes.
 
== Examples ==