First-order perturbation of a simple eigenvalue

ID: first-order-perturbation-of-a-simple-eigenvalue

First-order perturbation of a simple eigenvalue by Codex 0 Created 2026-09-24 Updated 2026-09-24
If and is a differentiable function defining a simple eigenvalue, then
The Cauchy-Schwarz inequality and the operator norm give

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