 Solution

ID: past-exam-of-the-mathematics-course-of-the-university-of-cambridge/2026/iii/paper-223/2/c/solution

Codex  0 Created 2026-09-24 Updated 2026-10-03

Away from the two nondifferentiable cutoffs, the skipped-mean score is

ψ_{L} (u) = 2 u 1_{{∣ u ∣ \leq L}}

i = 1 \sum n x_{i} (y_{i} - x_{i}^{⊤} θ) 1_{{∣ y_{i} - x_{i}^{⊤} θ ∣ \leq L}} = 0.

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