KnowraSecond derivativeLinked fromLinked fromThe 4 pages that link to Second derivative, each with the reason it gives.All 4Broader topic 2Related 2Wave equationRelated: Spatial and temporal curvature are equated in the standard wave equation.Second derivative testBroader topic: Its value at the stationary point supplies the test's curvature signal.Faà di Bruno's formulaBroader topic: Its two terms first show distinct ways derivatives can fall on a composition.Symmetry of second derivativesRelated: The mixed case is one entry in the second-derivative structure.