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7 1 Amaliy mashg’ulot Chiziqli dasturlash masalasini simpleks





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Quyidagi ChD masalalarini simpleks usuli bilan eching:


a) berilgan masaladagi tengsizliklar sistemasini tenglamalar sistemasiga keltiring;
b) qo’shimcha noma’lumlarni kiriting;
c) boshlang’ich tayanch echimni toping;
d) boshlang’ich simpleks jadvalini tuzing;
e) Simpleks jadvalida hal qiluvchi ustun (HQU)ni, hal qiluvchi satr (HQS)ni va hal qiluvchi elementi (HKE)ni aniqlang. ChDMda boshlang’ich simpleks jadvalidan yangi simpleks jadvaliga o’tishning asosiy qoidalarini yozing va bajarilgan hisoblashlarni keltiring.



 4.1.1

 4.1.2

 4.1.3

 4.1.4

Zmax=3х1 + 2х2
х1 + 2х2  14,
-5х1+ 3х2  15,
4х1+6х2  24.
х1 0, х2 0.
J.: Zmax= 18.
(6, 0).

Zmax= 3х1+4х2
х1 + 2х2  14,
6х1 + 3х2  15,
4х1 + 6 х2  24.
х1 0, х2 0.
J.: Zmax=65/4.
(3/4, 7/2).

Zmax= 4х1+2х2
2х1 + 4х2  20,
4х1 - 3х2  14,
3х1 + 6 х2  18.
х1 0, х2 0.
J.: Zmax=204/11.
(46/11,10/11).

Zmax= 4х1+6х2
2х1 + 5х2  20,
4х1 - 6х2  28,
3х1 + 6 х2  18.
х1 0, х2 0.
J.: Zmax= 24.
(6, 0).




 4.1.5

 4.1.6

 4.1.7

 4.1.8




Zmax= 3х1 +5х2
2х1 + 4х2  12,
-2х1 + 5х2  18,
-2х1 +3х2  15,
х1 + х2  8.
х1 0, х2 0.
J.: Zmax= 18
(6, 0, 8, 45, 0, 0)



Zmax= 3х1 +6х2
х1 + 3х2  12,
2х1 - 3х2  9,
5х1 + 4х2  18,
х1 + х2  10.
х1 0, х2 0.
J.: Zmax= 270/11
(6/11,42/11,0, 213/11,62/11,0).

Zmax= 3х1 + 4х2
х1 + 3х2  12,
2х1 + 4х2  9,
5х1 + 4х2  18,
-3х1 + х2  10.
х1 0, х2 0.
J.: Zmax= 12
(3, 3/4, 27/4, 0, 0, 73/4).

Zmax= х1 + 2х2
х1 + 4х2  14,
3х1 +4х2  16,
5х1 + 4х2  18,
-3х1 + 2х2  10.
х1 0, х2 0.
J.: Zmax= 15/2
(1,13/4,0,0,0, 13/2).




 4.1.9

 4.1.10

 4.1.11

Zmax= 3х1+2х2+5х3
х1 + 2х2 + 3х3  12,
2х1 + 4х2 + х3  16.
х1 0, х2 0, х3 0
J.: Zmax = 148/5
(36/5, 8/5, 0, 0)

Zmax= 4х1- 3х2 + 5х3
х1 + 2х2 + 4х3  18,
2х1 + 4х2 + 3х3  24.
х1 0, х2 0, х3 0
J.: Zmax= 48.
(12, 0, 0, 6, 0).

Zmax= 2х1 + 3х2 + 4х3
2х1 + 3х2 - 4х3  28,
х1 + 2х2 + 3х3  32.
6х1 + 0х2 + 5х3  36.
х1 0, х2 0, х3 0.
J.: Zmax= 5204/107.
(412/107, 1092/107).



 4.1.12

 4.1.13

 4.1.14

Zmax= 4х1 + 3х2 + 2х3
2х1 + 3х2 + 4х3  40,
х1 + 2х2 + 3х3  32.
6х1 + 0х2 + 5х3  30.
х1 0, х2 0, х3 0.
J.: Zmax= 50.
(5, 10, 0, 0 , 7, 0).

Zmax= 4х1+3х2+6х3
2х1 + 3х2 + 4х3  44,
х1 + 2х2 + 3х3  36.
6х1 + 0х2 + 5х3  60.
х1 0, х2 0, х3 0
J.: Zmax= 427/7
(10/7,0, 72/7, 0,26/7, 0)

Zmax= 2х1+3х2+4х3
2х1 + 3х2 - 4х3  14,
х1 + х2 + 0х3  24,
3х1 + 2х2 +5х3  36,
4х1 + 6х2 + 4х3  40.
х1 0, х2 0, х3 0
J.: Zmax= 356/11
(0,28/11,68/11, 342/11,236/11, 0, 0)

 4.1.15

 4.1.16

 4.1.17

Zmax = 5х1 +4х2+2х3
2х1 + 3х2 - 4х3  14 ,
х1 + х2 + 0х3  24,
3х1 + 2х2 + 5х3  36,
4х1 +6х2 + 4х3  40.
х1 0, х2 0, х3 0
J.: Zmax= 47.
(9, 0, 1, 0, 15, 4, 0).



Zmax =6х1 +2х2+3х3+4х3
2х1 + 3х2 + 2х3 + х4 30,
х1 + х2 + 3х3 - 4х4 28,
3х2 + 4х3 + 4х4 42,
х1 + 2х2+ 5х3 - 8х4  60.
х1 0, х2 0, х3 0.
J:. Zmax= 492/5. (39/4;0;0,21/2;0; 241/4;0;534/4)


Zmax= 2х1 + 6х2+ 3х3 + 4х4
2х1 + 3х2 + 2х3 + х4  30,
х1 + х2 + 3х3 - 4х4  28,
3х2 + 4х3 + 4х4  42,
х1 + 2х2 + 5х3 - 8х4 60.
х1 0, х2 0, х3 0, х4 0.
Javobi:Zmax=68. (0,26/3, 0, 4, 0, 106/3,0, 224/3).

Vazifa:
Quyidagi jadvalni daftaringizga chizib to’ldiring.

Bilaman

Bildim
(mavzudan olingan yangi ma’lumotlar)

Bilishni istayman
(qiziqtirgan savollar)

O’tilgan mavzu yuzasidan savol-javob o’tkaziladi.


Mustaqil ishlash bo’yicha savollar
1. Simpleks usul algoritmini o’rganish.
2. Chiziqli dasturlash masalasini yechish metodlarini o’rganish
Foydalanadigan darsliklar va o’quv qo’llanmalar

  1. A.A.Abduqodirov va boshqalar. Hisoblash matematikasi va dasturlash. O`quv qo`llanma. Toshkent, “O`qituvchi”, 1996.

  2. A.A.Abduqodirov va boshqalar. Hisoblash matematikasi va dasturlashdan laboratoriya ishlari. O`quv qo`llanma. Toshkent, “O`qituvchi”, 1990.

  3. F.B.Badalov Optemallash nazariyasi va matematik programmalashtirish. Darslik. Toshkent. O`qituvchi, 1990.

  4. K.Safoeva Matematik programmalash. O’quv qo’llanma. T.:UAJBHT, 2004 y.

  5. K.Safoeva, N.Beknazarova Operasiyalarni tekshirishning matematik usullari, 2-qism. O`quv qo`llanma. Toshkent. O`qituvchi, 1990 y.

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