AFFINE
affine
Noun
- A relative by marriage.
Verb
- To refine.
Adjective
- Assigning finite values to finite quantities.
- Of a function, expressible as <math>f(\vec x)= A \vec x + \vec b </math> (which is not linear, but is similar).
- Of or pertaining to a transformation that maps parallel lines to parallel lines and finite points to finite points.
- Having mutual affinity, of two materials.
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