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Sigmoidal MF

Sigmoidal membership function in Simulink software

Description

The Sigmoidal MF block implements a sigmoidal membership function given by

f(x)=11+exp(-a(x-c))

When the sign of a is positive the curve increases from left to right. Conversely, when the sign of a is negative the curve decreases from left to right. The parameter c sets the point of inflection of the curve.

See Also

Introduced before R2006a

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