What's the meaning of sat() in downside equation :
f(x,y)=sat(x-y)
regards,
2026-03-26 08:03:25.1774512205
what is the meaning of sat in algebraic equation?
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I agree with @Momo above - I believe you are talking about the unit saturation function in that: $$\text{sat}(x-y) = \begin{cases} 1, & \text{if} \quad x>1+y \\ x-y, & \text{if} \quad |x-y| \leq 1 \\ -1, & \text{if} \quad x-y < -1 \end{cases}$$