 Solution

ID: past-exam-of-the-mathematics-course-of-the-university-of-cambridge/2022/iii/paper-339/3/c/iv/solution

x_{k + 1} = P_{C} [x_{k} - (x_{k} - P_{D} x_{k})] = P_{C} (P_{D} x_{k}) .

Thus this instance reduces to alternating Euclidean projections.

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