affine

affine definitions

• To refine. 

• Of or pertaining to a function expressible as f(⃑x)=A⃑x+⃑b (where A is a linear transformation and ⃑b is a constant), which, regarded as a transformation, maps parallel lines to parallel lines and finite points to finite points. 

• Assigning finite values to finite quantities. 

• Of two materials, having mutual affinity. 

• A relative by marriage.