Information Technology Reference
In-Depth Information
⎧
0
x
≤
0
05
;
⎪
x
−
0
15
1
+
,
0
05
<
x
≤
0
15
;
⎪
0
⎪
()
μ
x
=
1
0
15
<
x
≤
0
35
;
⎨
~
⎪
x
−
0
35
1
−
,
0
35
<
x
≤
0
65
;
⎪
0
⎪
0
0
65
<
x
≤
1
⎩
0
0
≤
x
≤
0
35
;
⎧
⎪
x
−
0
65
1
+
,
0
35
<
x
≤
0
65
;
⎪
0
⎪
()
μ
x
=
1
0
65
<
x
≤
0
⎨
~
x
−
0
⎪
1
−
,
0
<
x
≤
0
⎪
0
2
⎪
0
0
<
x
≤
1
⎩
⎧
1
0
≤
x
≤
0
7
⎪
⎪
⎨
x
−
0
()
⎪
⎪
⎩
μ
x
=
1
+
,
0
7
<
x
≤
0
~
0
2
0
0
<
x
≤
1
Graphs of the obtained membership functions are shown in Fig. 2.4.b.
Fig. 2.4
Membership functions of COSS terms: a— “quality of production”; b — “knowledge
of students"
