Projection on convex sets

tags
Optimization

To solve the problem of finding xRnx \in \mathbb{R}^n such that xCDx\in C \cap D where CC and DD are closed convex sets, we project a candidate solution onto DD and CC successively until it converges to a point in the intersection.

xk+1=PC(PD(xk)) x_{k+1} = \mathcal{P}_C (\mathcal{P}_D (x_k))

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