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Hiperbolični paraboloid

Hiperbolični paraboloid
Hiperbolični paraboloid
Hiperbolični paraboloid z a=b=1

Hiperbolični paraboloid je sedlasta ploskev drugega reda, ki jo opišemo z enačbo

.

Hiperbolični paraboloid je posebna oblika ploskve, ki jo imenujemo opičje sedlo. Hiperbolični paraboloid je premonosna ploskev.

Druga oblika enačbe hiperboličnega paraboloida je [1]

Preseka ploskve sta parabola (vzporedno z ravnino x-z in y-z, paraboli sta odprti vsaka v svojo smer) in hiperbola (vzporedno z ravnino x-y).

Parametrična oblika enačbe je [1]

kjer sta

  • in
  • parametra.

Gaussova ukrivljenost

[uredi | uredi kodo]

Gausova ukrivljenost hiperboličnega paraboloida je [1]

Srednja ukrivljenost

[uredi | uredi kodo]

Srednja ukrivljenost je [1]


Opombe in sklici

[uredi | uredi kodo]

Zunanje povezave

[uredi | uredi kodo]
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Hiperbolični paraboloid
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