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Portuguese to English translations [PRO] Mathematics & Statistics 

Portuguese term or phrase: função linear e FUNÇÃO AFIM  Linear Function and ?????? (Please, don´t say: Function Alike or Similar!!!!) 
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 linear function and affine function  Explanation: In Linear Algebra, for instance, a linear transformation is multiplication by a nonsingular matrix, and an affine transformation allows in addition addition of a (vector) constant. This is the model for the use of these terms in Mathematics.
 Note added at 17 hrs 24 mins (20051027 18:31:14 GMT) 
Note also that an affine function is in many math contexts called a [nonhogeneous] linear function, and "homogeneous linear" is used to make the distinction, if necessary. So in your text linear and affine may actaully be viewed as synonyms. However ...
You are safe if you consistently translate linear by "linear" and afim by "affine". Any liberties or special usage will automatically carry for one language to the other.
 Note added at 21 hrs 2 mins (20051027 22:09:35 GMT) 
from, of course 
 Selected response from: Amilcar
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