Center Command

Globe.png

This command differs among variants of English:

  • Center (US)

  • Centre (UK + Aus)

Center( <Conic> )

Returns the center of a circle, ellipse, or hyperbola.

Center(x^2 + 4 y^2 + 2x - 8y + 1 = 0) (Gb.png, Au.png: Centre(x^2 + 4 y^2 + 2x - 8y + 1 = 0)) returns point A = (-1, 1)

See also Mode midpoint.svg Midpoint or Center (Gb.png, Au.png: Midpoint or Centre) tool .

Center( <Quadric> )

Creates the center of a quadric (e.g. sphere, cone, etc.).

Center(x^2 + (y-1)^2 + (z-2)^2 = 1) yields (0, 1, 2)