An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

Math.: Of or pertaining to the geometry of → affine transformations. See also: → affine combination, → affine geometry, → affine set, → affinity.

From Fr., from L. affinis "bordering on; neighboring; related."

Karvan, literally "bordering on; possessing border (with); related," from (Bašgard) ker "border, boundary," (Fin Bandar Abbas) karaq "border, edge;" classical Pers. karân, kenâr "boundary, side, edge;" + -van suffix of possession, relation.

A linear combination of vectors in which all the vector coefficients add up to one.

→ affine; → combination.

The study of the properties which are → invariant under → affine transformations.

→ affine; → geometry.

A set → if and only if (iff) for any two points in the → set, the line through them is contained in the set. In other words, for any two points in the set, their → affine combinations are in the set itself.

→ affine; → set.

Any → transformation preserving → collinearity.

→ affine; → transformation.