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Space Space Space
VECTOR CALCULUS

ALGEBRA

BASIC

CALCULUS

CAS

DATA

ELEMENTARY

GRAPHING

MANUAL

MATRIX

NUMBER

PLOT

SCRIPTING

SPECIAL

SPECIAL POLYNOMIALS

STATISTICAL

TRIGONOMETRIC
  SurfaceNormal(function, [varlist], [point])
[varlist]
The default value is [x,y,z].

[point]
If point is given, then the normal vector is calculated at the given point. If not, then [x, y, z] is used.


Description
Calculates the normal vector to the surface given by function at point.

Both the positive and negative normal vectors are returned.


Examples  





References
http://mathworld.wolfram.com/NormalVector.html

Related Functions
Gradient, Divergence, Curl, Laplacian, Jacobian, Hessian, Duf





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