| Fuzzy Logic Toolbox™ | ![]() |

The Trapezoidal MF block implements a trapezoidal-shaped membership function. The parameters a and d set the left and right "feet," or base points, of the trapezoid. The parameters b and c set the "shoulders," or top of the trapezoid.
![]() | Sigmoidal MF | Triangular MF | ![]() |
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