单词	Directional Derivative
释义	Directional Derivative (1) is the rate at which the function changes at in the direction . Let be a Unit Vector in Cartesian Coordinates, so (2) then (3) The directional derivative is often written in the notation (4)
随便看	Conway Sphere Coordinate Geometry Coordinates Coordinate System Coordination Number Copeland-Erdös Constant Coplanar Coprime Copson-de Bruijn Constant Copson's Inequality Copula Cork Plug Corkscrew Surface Cornish-Fisher Asymptotic Expansion Cornucopia Cornu Spiral Corollary Corona (Polyhedron) Corona (Tiling) Correlation Correlation Coefficient Correlation Coefficient--Gaussian Bivariate Distribution Correlation Dimension Correlation Exponent Correlation (Geometric)

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