`BookProof.ChapterNumericalRangeSemigroup.hasDerivAt_expApply` (A : E →L[ℂ] E) (x : E) (t : ℝ) : HasDerivAt (fun s : ℝ => (NormedSpace.exp (s • A)) x) (A (NormedSpace.exp (t • A) x

Initializing...

`BookProof.ChapterNumericalRangeSemigroup.hasDerivAt_expApply` (A : E →L[ℂ] E) (x : E) (t : ℝ) : HasDerivAt (fun s : ℝ => (NormedSpace.exp (s • A)) x) (A (NormedSpace.exp (t • A) x · Prove2Me