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Anticlastic


When the Gaussian curvature K is everywhere negative, a surface is called anticlastic and is saddle-shaped. A surface on which K is everywhere positive is called synclastic. A point at which the Gaussian curvature is negative is called a hyperbolic point.


See also

Elliptic Point, Gaussian Quadrature, Hyperbolic Point, Parabolic Point, Planar Point, Synclastic

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Cite this as:

Weisstein, Eric W. "Anticlastic." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Anticlastic.html

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