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How is is w1x1 + w2x2 +... wn*xn not a linear combination? Or is your objection that, upon adding w0 it is no longer a linear combination of x1,...xn? In that c
by krosaen 10y ago
How is is w1x1 + w2x2 +... wn*xn not a linear combination? Or is your objection that, upon adding w0 it is no longer a linear combination of x1,...xn? In that case would it be more accurate to say, "a linear combination of xs plus a constant"?
- thaumasiotes 10y agoCorrect, the constant term makes the function nonlinear. A linear function must necessarily satisfy f(0) = 0 (or, I guess, f(0) = infinity).