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Originally Posted by Augi
Yeah. It's not an affine function. And for the years of math that I have taken, I have never heard that term used to describe a linear linear function. I have never even heard it before now :laughs:
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I agree it is not
unless you define the function to exsist only for a given input say for x>=0 in which case you are talking about f(x) = x rather than f(x) = |x|.