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From Encyclopedia of Mathematics
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A brief synonym for an affine transformation, defined as a non-degenerate linear substitution $$ \tilde x^i = A^i_s x^s + a^i \ . $$

How to Cite This Entry:
Affinity. Encyclopedia of Mathematics. URL: http://www.encyclopediaofmath.org/index.php?title=Affinity&oldid=39420
This article was adapted from an original article by A.P. Shirokov (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article