.


:




:

































 

 

 

 





, " ". (). , , .. - , D, . , D -D +D, - D - . :

=(-D,,+D)

.

. =(-D,,+D) =(-D,,+D) - . , Å, :

Å =(-D,,+D) Å (-D,,+D)=(+-D-D,+,++D+D).

, .. R, B R, D D , .. DÎR DÎR.

.

=(4,5,6) D5=1

=(1,3,5) D3=2

=(5-1,5,5+1)

=(3-2,3,3+2)

Å =(3+5-1-2,5+3,5+3+1+2)=(5,8,11)

, .

, -, :

(-) = (-D,,+D)(-)(-D,,+D) =

= (-D-(+D)),-,+D-(-D)) =

= (--D-D,-,-+D+D).

D(-)=D+D

.. , .

:

=(4,5,6) D5=1

=(1,3,5) D3=2

(-) =(5-3-1-2,5-3,5-3+1+2)=(-1,2,5) D2=3

 

- =0

:

 

(-) = (-D,,+D)-(-D,,+D) =

= (0-2 D,0,0+2 D) =

= (-2 D,0,2 D), D0=2D .

 

(0,0,0), .. 0, D0=2D .

.

- =(0,0,0)(-)(-D,,+D)=(--D,-,-+D).

Å - =(-D,,+D) Å (--D,-,-+D)=(-2D,0,2D).

 

R+ R. R , R +. R.

Ä = (-D,,+D) Ä (-D,,+D) =

= [(-D)*(-D),*,(+D)*(+D) =

= [(*-*D-*D+D*D),*,(*+*D+*D+D*D)]

, (Dl) (Dr).

 

Dl( * )=*D+*D-D*D

Dr( * )=*D+*D+D*D

 

 

=(-Dl,,+Dr)

=(-Dl,,+Dr)

Ä = (*-*Dl-*Dl+Dl*Dl,*,*+*Dr+*Dr+Dr*Dr);

Dl( * )=*Dl+*Dl-Dl*Dl,

Dr( * )=*Dr+*Dr+Dr*Dr,

:

=(3,8,9), Dl8=5, Dr8=1

=(4,5,7), Dl5=1, Dr5=2

Ä =(5*8-88*1-5*5+5*1,5*8,5*8+8*2+5*1+1*2)=(12,40,63).

R , R+.

:

= (-2,3,5), Dl3=5, Dr3=2

= (-3,-1,4), Dl(-1)=2, Dr(-1)=5

 

Ä , . :

 

MIN [(-2)*(-3), 5*(-3), (-2)*(4), (5)*(4)] =

= MIN (6, -15, -8, 20) = -15.

 

:

 

MAX (6, -15, -8, 20)=20

 

Ä =(-15, -3, 20), Dl(-3)=12, Dr(-3)=23.

 

R .

D={( -D l)*( -Dl ),( -Dl )*( +Dr ),( +Dr )*( -Dl ),

( +D r)*(+Dr)}.

 

MIN(kÎD) - , k

MAX(kÎD) - , k

A * B - .

 

:

D={(3-5)*(-1-2),(3-5)*(-1+5),(3+2)*(-1-2),(3+2)*(-1+5)}=

={6,-8,-15,20}.

MIN D=-15, MAX D=20.

A Ä B =(-15,-3,20).

 

, R.

. R :

, R . =(-3,2,5). (-3) (-1/3), 2 - 1/2, 5 - 1/5. -1/3 1/5, 0, -¥ ¥, (A-DlA,A,A+DrA). .

R+.

A (:) B = (A-DlA,A,A+DRA)(:)(B-DlB,B,B+DrB) =

, B>0 ( DlB<B). R+0 :

, A =(A,A,A)=A.

, Å Ä.

:

 

Å ( Ä )=( Å ) Ä ( Å ).

 

R, :

 

Ä( Å )=( Ä )Å( Ä ).

 

. , Dl Dr . Dl " " Dr - " " .

Dl Dr , Dl*Dr Dl Dr, , , :

 

Ä =(*-*Dl-*Dl,*,*+*Dr+*Dr),

Dl, Dr<<, Dl, Dr<<

 

" ", .. Dl/ Dr/, " " " " . , :

 

 

 

.

Dl/Dr .

 

R, , "" . , , ³a1 ³a2, a1, a2 R, .. =[a1,a2] R. , , [a1,a2]. , =[a1,a2] . , , . .

, . : - Rn, n=1,2,3.... (1),(2) , ' [(1), (2)] .

, . . =[a1,a2] R, B=[b1,b2] R , X [a1,a2] Y [b1,b2]. , X Å Y? :

a1£x£a2, b1£x£b2

a1+b1£x+y£a2+b2,.. x+yÎa1+b1,a2+b2].

: Å =[a1,a2[b1,b2]=[a1+b1,a2+b2].

1:

=[-2,7],B=[4,5]

A+B =[2,12].

 

. .

a1£x£a2,-b2£-y£-b1

a1-b2£x-y£a2-b1, .. x-yÎ[a1-b2, a2-b1].

:

(-)=[a1, a2]-[b1,b2]=[a1-b2,a2-b1].

2: 1

A(-)B =[-7,3]

. O A Ä B=[a1,a2]*[b1,b2]

 

1

 

A B A*B
0£a1£a2 0£a1£a2 0£a1£a2 a1£0£a2 a1£0£a2 a1£0£a2 a1£a2£0 a1£a2£0 a1£a2£0 0£b1£b2 b1£0£b2 b1£b2£0 0£b1£b2 b1£0£b2 b1£b2£0 0£b1£b2 b1£0£b2 b1£b2£0 [a1*b1, a2*b2] [a2*b1, a2*b2] [a2*b1, a1*b2] [a1*b2, a2*b2] MIN(a1*b2,a2*b1),MAX(a1*b1, a2*b2) [a2*b1, a1*b1] [a1*b2, a2*b1] [a1*b2, a1*b1] [a2*b2, a1*b1]

 

:

A Ä B =[ MIN(a1*b2,a2*b1,a1*b1,a2*b2),

MAX(a1*b2,a2*b1,a1*b1,a2*b2)]

3.

A Ä B =[-2,7]Ä[4,5]=[-10,35].

, .

:

1) 0<a1£a2: [a1,a2] (-1)=[1/a2,1/a1]

2) 0=a1<a2: [a1,a2] (-1)=[1/a2,¥]

3) 0=a1=a2: ¥

4) a1£a2<0: [a1,a2] (-1)=[1/a2,1/a1]

5) a1<a2=0: [a1,a2] (-1) =(-¥,1/a1]

6) a1£0£a2: [a1,a2] (-1) = (-¥,1/a1]È[1/a2,¥)

[a1,a2]Ä[a1,a2](-1)¹1.

 

4.

A(-1)=[-2,7](-1)=[MIN(-1/2,1/7),MAX(-1/2,1/7)]=[-1/2,1/7].

. (-1) , :

A(:)B=A Ä B(-1).

 

.

K*=[MIN(K*a1,K*a2),MAX(K*a1,K*a2)].

=-3 =[-2,7] *=[-21,6].

 

. "Ç"

A(Ç)B=[a1,a2](Ç)[b1,b2]=

=[MIN(a1,b1),MIN(a2,b2)]=[a1Çb1,a2Çb2].

 

. "È" :

A(È)B=[a1,a2](È)[b1,b2]=

=[MAX(a1,b1),MAX(a2,b2)]=[a1Èb1,a2Èb2]

 

, ÇB AÈB , .

 

. R R , . , . .

 

l([a1,a2]) =

>B,

 

 

a1 + a2 = b1 + b2, , A>B, a2 > b2.

, - , .. Ì. m(), , ( ) :

mA()=1 Î

mA()=0 Ï.

 

:

={1,2,3,4,5} ={1,3,5 }. : mA(1)=1; mA(2)=0; mA(3)=1; mA(4)=0; mA(5)=1.

:

={(1,1),(2,0),(3,1),(4,0),(5,1)}.

, , 0 1 Î[0,1], .. mA()=Î[0,1].

2 (mA(x)=0), (mA(x) 0), (mA()0,5), (mA 1) , , (mA()=1).

, ={(10,2),(20,4),(31),(40),(50,8)}, i - , , . _ :

 

:

Ì E A Ì E

 

.

. 12.1 , .

 

. 12.1.

 

 

. 12.2 .

. 12.2.

, . . , , - .

{(x| }, " xÎE

- . , , , .

,

x ~ M

.

:

1) , n, nÎR (R - );

2) 0;

3) - - ; + .

.

N -

N = {-8,-5,-3,0,1,2,4,6,9}

0.

= {(-80), (-50,5), (-30,6), (01), (10,9), (20,8), (40,6), (60,3), (90)}

, =-8,-5,-3..., , , .

:

-8Î , -5 Î , -3 Î ,...

0 0.5 0.6

 

. , . - =[0,1] - , - .

 

. ( = ) , (A = B) Û (" x Î E: = ).

, , , ¹

 

. , , . (AÇB)=(" x Î E: )= MIN(), ).

.

={1,2,3,4,5}, M=[0,1].

={(10,1),(20,5),(31),(40),(50,8)}.

={(10,6),(21),(30,4),(40,7),(50,8)}.

={(10,1),(20,5),(30,4),(40),(50,8)}.

 

. 12.3 .

. 12.3.

. , , , , :

()=("xÎE: )=MAX(), )

 

,

={(10.6),(21),(31),(40.7),(50.8)}.

 

. 12.4 .

. 12.4.

 

. , ,

 

"xÎE: =1- ).

 

:

 

B=ùA A=ùB

:

= {1,x2,x3,x4,x5}, M=[0,1].

A = {(10.15),(20.45),(30),(40.75),(51)}.

B = {(10.88),(20.55),(31),(40.25),(50)}.

 

ùA=B

 

. 12.5 .

. 12.5.

. , ,

"xÎE:

Ì .

, , ,

:

= {1,2,3}, M=[0,1].

= {(10,8),(20,6),(30,4)}.

= {(10,5),(20,4),(30,1)}.

Ì , 0.5<0.8; 0.4<0.6; 0.1<0.4.

. :

Å = ( Çù )È(ù Ç )

.

 

= {(10.1),(20.5),(31),(40),(50.8)}.

= {(10.6),(21),(30.4),(40.7),(50.8)}.

ù = {(10.9),(20.5),(30),(41),(50.2)}.

ù = {(10.4),(20),(30.6),(40.3),(50.2)}.

Çù = {(10.1),(20),(30.6),(40),(50.2)}.

ù Ç = {(10.6),(20.5),(30),(40.7),(50.2)}.

Å = {(10.6),(20.5).

 

- = Çù

 

,

 

AÇùB = {(10,1),(20),(30.6),(40),(50.2)}.

 

- ¹ -

 

. l. l>0

, l<0 - .

"xÎE, ¹ (x-l), lÎR

. 12.6 .

 

. 12.6.

 

. :

"xÎE, = --------------

MAX

. 12.7 .

. 12.7.

 

. :

"xÎE, ()k, k>1.

.5.10 .

. 5.10.

 

. :

 

xÎE, = ()k, 0<k<1.

 

. 12.8 .

. 12.6.

n A1,...,An, P=A1x...xAn . n - 0 .

.

={1,2,5} Y={y1,y2,y3,y4}, =[0,1]. 2-

 

R y1 y2 y3
x1 0.2 0.5  
x2   0.4 0.9

È - , Ç - .

m1(x)=È m(x,y)=MAXm(x,y)

y y

 

m2(x)=È m(x,y)=MINm(x,y)

y y

 

R L RL

mRÇL(x,y)= mR(x)ÇmL(x)=MIN(mR(x),mL(x))

 

R1,...,Rn - ,

 

R=ÇRi.

R1 y1 y2 y3
x1 0.2 0.5 1
x2 0 0.4 0.9
R2 y1 y2 y3
x1 0.3 0.6 0.9
x2 0.1 0.4 0.8
R3 y1 y2 y3
x1 0.2 0.5 0.9
x2 0 0.4 0.8

R L RÈL R+L

mRÈL(x,y)=mR(x,y)ÈmL(x,y)=MAX(mR(x,y),mL(x,y))

 

R1,...,Rn - ,

 

RÈRi.

i

.

 

 

Y1 y1 y2 y3
x1 0.2 0.5 1
x2 0 0.4 0.9

 

Y2 y1 y2 y3
x1 0.3 0.6 0.9
x2 0.1 0.4 0.8

 

Y3 y1 y2 y3
x1 0.3 0.6 1
x2 0.1 0.4 0.9

 

R*L R L

mR*L(x,y)=mR(x,y)*mL(x,y)

 

"*"

 

È * :

 

R(LUB) = (RB)U(RB)

RU(LB) = (RUL)(RUB)

R*(LUB) = (R*L)U(R*B)

R*(LB) = (R*L)(R*B)

 

R L R+L :

mR+L(x,y)=mR(x,y)+mL(x,y)-mR(x,y)*mL(x,y)

 

"*" , "+" - .

R ( ) ,

m(x,y)ÎXxY: =1-mR(x,y)

 

.

R y1 y2 y3
x1 0.2 0.5 1
x2 0.1 0.4 0.9

 

R y1 y2 y3
x1 0.3 0.6 0.9
x2 0.1 0.4 0.8

 

R L R+L R Å L=(RL)U(RL).

R y1 y2 y3
x1 0.2 0.5 1
x2 0 0.4 0.9
L y1 y2 y3
x1 0.3 0.6 0.9
x2 0.1 0.4 0.8
y1 y2 y3
x1 0.8 0.5 0
x2 1 0.4 0.1
y1 y2 y3
x1 0.7 0.4 0.1
x2 0.9 0.6 0.2
RÈL y1 y2 y3
x1 0.2 0.4 0.1
x2 0 0.4 0.2
RÇL y1 y2 y3
x1 0.3 0.5 0
x2 0.1 0.4 0.1
R Å L y1 y2 y3
x1 0.3 0.5 0.1
x2 0.1 0.4 0.2

R, R

ì 0, mR(x,y)<0.5

mR (x,y)= 1, mR(x,y)<0.5

î 0 1, E mR(x,y)=0.5

 

, , Î, Î.

R y1 y2 y3
x1 0.2 0.5 1
x2 0 0.4 0.9
R y1 y2 y3
x1 0 0 1
x2 0 0 1

 

. R1 R2 R1ÌXxY, R2ÌYxZ.

 

max-min R1 R2 R1oR2

 

mRoL(x,y)=È(mR(x,y)ÇmL(x,y))=MAX(MIN(mR(x,y),mL(x,y)))

y y y

 

.

 

R1 y1 y2 y3
x1 0.2 0.5 1
x2 0 0.4 0.9

 

R2 z1 z2 z3
y1 0.9 0.4 0.2
y2 y3 0 0.4 0.9 0.8 0.6 0.3

 

R1oR2 z1 z2 z3
y1 0.9 0.4 0.2
y2 y3 1 0.5 0.1 0.5 0.6 0.3

 

(x,z)=(x1,z1)

 

MIN(mR1(x1,y1),mR2(y1,z1))=MIN(0.1,0.9)=0.1

MIN(mR1(x1,y2),mR2(y2,z1))=MIN(0.4,1)=0.4

MIN(mR1(x1,y3),mR2(y3,z1))=MIN(0.7,0.8)=0.7

MAX(MIN((mR1(x1,yi),mR2(yi,z1)))=MAX(0.1,0.4,0.7)=0.7

yi

 

(x,z)=(x1,z2)

 

MIN(mR1(x1,y1),mR2(y1,z2))=MIN(0.1,0.4)=0.1

MIN(mR1(x1,y2),mR2(y2,z2))=MIN(0.4,0.5)=0.4

MIN(mR1(x1,y3),mR2(y3,z2))=MIN(0.7,0.6)=0.6

MAX(MIN((mR1(x1,yi),mR2(yi,z2)))=MAX(0.1,0.4,0.6)=0.6

 

 

.. .

 

.

 

, . , . . , n - (1921), (1937) (1940) , .

, . . , . , . . , .

. , , . , , , .

 

 

12.1. ={,,,,,,}

={(), (, 3), (, 7), ( 1), ( |0), ( 0, 2), (,6)},

={( |0, 3), ( |1), (, 5), ( 0. 8), ( |1), ( 0, 5), (, 6)},

={( |1), ( |0, 5), (, 5), ( 0, 2), ( |0), ( 0, 2), (, 9)},

:

) , ) , )()∩,, ) , ) .

 

 

13.

40- . ( ) , . 1943. , . 1965. . . . 1969. , . , . . .





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