What Is Fuzzy Logic?

Building Systems with Fuzzy Logic Toolbox Software
Set the display range
of the current plot.
Set the range
of the current variable.
Name and type of
current variable.
This status line
describes the most
recent operation.
Change the numerical
parameters for current
membership function.
Select the type of
current membership
function.
Edit name of current
membership function.
When you open the Membership Function Editor to work on a fuzzy inference
system that does not already exist in the workspace, there are no membership
functions associated with the variables that you defined with the FIS Editor.
On the upper-left side of the graph area in the Membership Function Editor is
a “Variable Palette” that lets you set the membership functions for a given
variable.
To set up the membership functions associated with an input or an output
variable for the FIS, select a FIS variable in this region by clicking it.
Next select the Edit pull-down menu, and choose Add MFs .. Anewwindow
appears, which allows you to select both the membership function type and
the number of membership functions associated with the selected variable.
In the lower-right corner of the window are the controls that let you change
the name, type, and parameters (shape), of the membership function, after
it is selected.
The membership functions from the current variable are displayed in the main
graph. These membership functions can be manipulated in two ways. You
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