| Fuzzy Logic Toolbox™ | ![]() |

The S-shaped MF block implements an S-shaped membership function in Simulink. Going from left to right the function increases from 0 to 1. The parameters a and b locate the left and right extremes of the sloped portion of the curve.
![]() | Prod. Sigmoidal MF | Sigmoidal MF | ![]() |
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