How can i solve this |E(X ⁄Y)| ≤ E(|X|⁄Y) using the Jensen's inequality? I know that this is convex but not differentiable. X/Y means X given Y, not X divide by Y Does anyone now i link or a book? I only find the classic inequality, without the properties of ablosute value.
2026-03-26 14:19:53.1774534793
Jensen's inequality with ablosute values properties
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