In mathematics, the affine group or general affine group of any affine space over a field K is the group of all invertible affine transformations from the space into itself.
It is a Lie group if K is the real or complex field or quaternions.
Read more about Affine Group: Matrix Representation, Planar Affine Group
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“There is nothing in the world that I loathe more than group activity, that communal bath where the hairy and slippery mix in a multiplication of mediocrity.”
—Vladimir Nabokov (1899–1977)