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Directional derivative

Known as: Normal derivative 
In mathematics, the directional derivative of a multivariate differentiable function along a given vector v at a given point x intuitively represents… 
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Related topics

Related topics

13 relations
Bounded variationDanskin's theoremDifferential of a functionExterior derivative

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2012
2012
Directional derivatives and subdifferentials of set-valued convex functions
A new directional derivative and a new subdifferential for set-valued convex functions are constructed, and a set-valued version… 
2012
2012
A NEW INCOMPRESSIBLE SMOOTHED PARTICLE HYDRODYNAMICS-IMMERSED BOUNDARY METHOD
In this article we develop a new smoothed particle hydrodynamics (SPH) method suitable for solving the incompressible Navier… 
2011
2011
Sharp real-part theorems in the upper halfplane and similar estimates for harmonic functions
Explicit formulas for sharp coefficients in estimates of the modulus of an analytic function and its derivative in the upper half… 
2009
2009
FIRST-ORDER OPTIMALITY CONDITIONS FOR CONVEX SEMI-INFINITE MIN-MAX PROGRAMMING WITH NONCOMPACT SETS
In this paper, based on some new characterizations of subderivative and subdifferential of sup-types functions, we develop the… 
2009
2009
Numerical methods for some inverse problems of heart electrophysiology
We consider numerical methods for solving inverse problems that arise in heart electrophysiology. The first inverse problem is… 
2007
2007
Combining Bidirectional Flow Equation and Fuzzy Sets for Adaptive Image Sharpening
In this paper, a region-based fuzzy bidirectional flow process is presented for image noise removal and edge sharpening. An image… 
1999
1999
Electrical Conductivity Reconstruction Using Nonlocal Boundary Conditions
In this paper we study existence, uniqueness, and solution estimates to the mixed problem $\nabla\cdot\sigma\nabla u=0$ with… 
1990
1990
Development of a Defect Stream Function, Law of the Wall/Wake Method for Compressible Turbulent Boundary Layers
The method presented is designed to improve the accuracy and computational efficiency of existing numerical methods for the… 
1987
1987
Corrigendum to "Convex Subcones of the Contingent Cone in Nonsmooth Calculus and Optimization"
The tangential approximants most useful in nonsmooth analysis and optimization are those which lie "between" the Clarke tangent… 
1965
1965
On the Computation of Stream Functions from the Wind Field
Abstract In most tropical regions, the large-scale flow patterns are most reliably established by analysis of the wind reports… 
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