 Solution

ID: past-exam-of-the-mathematics-course-of-the-university-of-cambridge/2022/iii/paper-326/1/b/ii/solution

This statement is also always true. The same singular value decomposition gives

(A^{H} A)^{†} = V (Σ^{H} Σ)^{†} V^{H} = V (Σ^{†})^{2} V^{H} = A^{†} (A^{†})^{H} .

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