Locus (mathematics)

set of points whose location satisfies or is determined by one or more specified conditions

In geometry, a locus (plural: loci) is one of a set of points which satisfies one or more conditions.[1][2] The usual results are a curve or a surface.[3] For example, all points in a plane an equal distance from a center point result in a circle.[3]

locus of a circle, ellipses and hyperbolas

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