Bài Toán Đơn Hình

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GiẢI BタI TOチN ĐƠN HフNH Cho bài toán đơn hình sau Z= 4x 1 + 6x 2 +8x 3 -> MAX x 1 + 2x 2 – 3x 3 ≤ 12 3x 1 + x 2 +x 3 ≤4 2x 1 + 2x 2 +5x 3 ≤5 x j ≥ 0 , j = 1,3 B1- chuynvbài toán phZ= 4x 1 + 6x 2 +8x 3 -> MAX x 1 + 2x 2 – 3x 3 + x 4 = 12 3x 1 + x 2 + x 3 + + x 5 = 4 2x 1 + 2x 2 + 5x 3 + + x 6 = 5 x j 0 , j = 1,6 B2- Nhn xét vài câu như bên dưi: Trong đó x 4 , x 5 , x 6 là 3 biến ph. NX: BT phcó dng chun, có 3 biến cơ slà x 4 , x 5 , x 6 Lpbng đơn hình 20/4/2012 1

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Bài Toán Đơn Hình

Transcript of Bài Toán Đơn Hình

  • GiI BI TON N HNHCho bi ton n hnh sauZ= 4x1 + 6x2 +8x3 -> MAX

    x1 + 2x2 3x3 123x1 + x2 +x3 42x1 + 2x2 +5x3 5xj 0 , j = 1,3

    B1- chuyn v bi ton phZ= 4x1 + 6x2 +8x3 -> MAX

    x1 + 2x2 3x3 + x4 = 123x1 + x2 + x3 + + x5 = 42x1 + 2x2 + 5x3 + + x6 = 5xj 0 , j = 1,6

    B2- Nhn xt vi cu nh bn di:Trong x4, x5, x6 l 3 bin ph.NX: BT ph c dng chun, c 3 bin c s l x4, x5, x6Lp bng n hnh

    20/4/2012 1

  • GiI BI TON N HNHZ= 4x1 + 6x2 +8x3 + 0x4 + 0x5 +0x6 -> MAX

    x1 + 2x2 3x3 + x4 = 123x1 + x2 + x3 + + x5 = 42x1 + 2x2 + 5x3 + + x6 = 5xj 0 , j = 1,6

    i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0

    2 x5 0 4 3 1 1 0 1 0

    3 x6 0 5 2 2 5 0 0 1

    20/4/2012 2

  • GiI BI TON N HNHi C s Ci Bi

    P/ax1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0

    2 x5 0 4 3 1 1 0 1 0

    3 x6 0 5 2 2 5 0 0 1

    j

    = 000

    X1245

    -> 0

    0 * 12 + 0 * 4 + 0 *5 = 020/4/2012 3

  • GiI BI TON N HNHi C s Ci Bi

    P/ax1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0

    2 x5 0 4 3 1 1 0 1 0

    3 x6 0 5 2 2 5 0 0 1

    j 0

    = 000

    X134

    4- -> -4

    0 * 1 + 0 * 3 + 0 *4 = 020/4/2012 4

  • GiI BI TON N HNHi C s Ci Bi

    P/ax1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0

    2 x5 0 4 3 1 1 0 1 0

    3 x6 0 5 2 2 5 0 0 1

    j 0 -4

    = 000

    X212

    6- -> -6

    0 * 2 + 0 * 1 + 0 * 2 = 020/4/2012 5

  • GiI BI TON N HNHi C s Ci Bi

    P/ax1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0

    2 x5 0 4 3 1 1 0 1 0

    3 x6 0 5 2 2 5 0 0 1

    j 0 -4 -6

    = 000

    X-315

    8- -> -8

    0 * (-3) + 0 * 1 + 0 *5 = 020/4/2012 6

  • GiI BI TON N HNHi C s Ci Bi

    P/ax1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0

    2 x5 0 4 3 1 1 0 1 0

    3 x6 0 5 2 2 5 0 0 1

    j 0 -4 -6 -8 0 0 0

    Tng t lm chox4, x5, x6, s chora kt qu l 0 0 0

    20/4/2012 7

  • GiI BI TON N HNH

    i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0

    2 x5 0 4 3 1 1 0 1 0

    3 x6 0 5 2 2 5 0 0 1

    j 0 -4 -6 -8 0 0 0

    Bi ton Max nn Vi mi denta j 0 th bi ton mi ti u, bi ton cha tha iukin-> xc nh ct xoay

    BT Max -> ct xoayl s m nh nht(hoc s m c trtuyt i ln nht)

    20/4/2012 8

  • GiI BI TON N HNH

    i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0

    2 x5 0 4 3 1 1 0 1 0

    3 x6 0 5 2 2 5 0 0 1

    j 0 -4 -6 (-8) 0 0 0

    c ct xoay -> tm lamda xc nh dng xoay

    = 12 / -3 -> -4 V l s -4 (sm) nn s ghivo du -

    20/4/2012 9

  • GiI BI TON N HNH

    i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -

    2 x5 0 4 3 1 1 0 1 0

    3 x6 0 5 2 2 5 0 0 1

    j 0 -4 -6 (-8) 0 0 0

    Tm lamda xc nh dng xoay

    = 4 / 1 -> 4

    20/4/2012 10

  • GiI BI TON N HNH

    i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -

    2 x5 0 4 3 1 1 0 1 0 4

    3 x6 0 5 2 2 5 0 0 1

    j 0 -4 -6 (-8) 0 0 0

    Tm lamda xc nh dng xoay

    = 5 / 5 -> 1

    20/4/2012 11

  • GiI BI TON N HNH

    i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -

    2 x5 0 4 3 1 1 0 1 0 4

    3 x6 0 5 2 2 5 0 0 1 1

    j 0 -4 -6 (-8) 0 0 0

    Dn xoay s l dng c lamda dng nh nht

    s 1 l lamdadng nh nht

    20/4/2012 12

  • GiI BI TON N HNH

    i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -

    2 x5 0 4 3 1 1 0 1 0 4

    3 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 0

    xc nh c dng xoay -> ti sao phi xc nh dng xoay vo ct xoay ?Tht ra xc nh bit c bin vo v bin ra c s y bin vo l ct xoay (x3) v bin ra l dng xoay (x6)

    Ra khi c s

    20/4/2012 13

  • GiI BI TON N HNH

    i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -2 x5 0 4 3 1 1 0 1 0 43 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 01 x4 02 x5 03 x3 8

    j

    = -> 15 / 5

    20/4/2012 14

  • GiI BI TON N HNH

    i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -2 x5 0 4 3 1 1 0 1 0 43 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 01 x4 02 x5 03 x3 8 1

    j

    = -> 2/52 / 5

    20/4/2012 15

  • GiI BI TON N HNH

    i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -2 x5 0 4 3 1 1 0 1 0 43 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 01 x4 02 x5 03 x3 8 2/5 1

    j

    = -> 2/52 / 5

    20/4/2012 16

  • GiI BI TON N HNH

    i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -2 x5 0 4 3 1 1 0 1 0 43 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 01 x4 02 x5 03 x3 8 2/5 2/5 1

    j

    = -> 15 / 5

    20/4/2012 17

  • GiI BI TON N HNH

    i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -2 x5 0 4 3 1 1 0 1 0 43 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 01 x4 02 x5 03 x3 8 1 2/5 2/5 1 0 0 1/5

    j

    lm tng t c kt qu nh

    bng20/4/2012 18

  • GiI BI TON N HNH

    i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -2 x5 0 4 3 1 1 0 1 0 43 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 01 x4 02 x5 03 x3 8 1 2/5 2/5 1 0 0 1/5

    j0 = ->1-1 ? *

    S y btbuc l s 0, vyta phi tm h s.c h s s tmc gi tr dng

    ny

    1 hehe, h s l 1,khe ri.

    20/4/2012 19

  • GiI BI TON N HNH

    i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -2 x5 0 4 3 1 1 0 1 0 43 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 01 x4 02 x5 0 03 x3 8 1 2/5 2/5 1 0 0 1/5

    j= ->2/5-1 1 * nu l h s 1, khng

    cn phi nhn cho2/5. c th tr trc

    tip cho 2/5

    3/5

    20/4/2012 20

  • GiI BI TON N HNH

    i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -2 x5 0 4 3 1 1 0 1 0 43 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 01 x4 02 x5 0 3/5 03 x3 8 1 2/5 2/5 1 0 0 1/5

    j= ->2/5-3 13/5

    20/4/2012 21

  • GiI BI TON N HNH

    i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -2 x5 0 4 3 1 1 0 1 0 43 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 01 x4 02 x5 0 13/5 3/5 03 x3 8 1 2/5 2/5 1 0 0 1/5

    j= ->1-4 3

    20/4/2012 22

  • GiI BI TON N HNH

    i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -2 x5 0 4 3 1 1 0 1 0 43 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 01 x4 02 x5 0 3 13/5 3/5 0 0 0 -1/53 x3 8 1 2/5 2/5 1 0 0 1/5

    j

    Tng t lm s ckt qu nh bng

    20/4/2012 23

  • GiI BI TON N HNH

    i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -2 x5 0 4 3 1 1 0 1 0 43 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 01 x4 0 02 x5 0 3 13/5 3/5 0 0 0 -1/53 x3 8 1 2/5 2/5 1 0 0 1/5

    j0 = ->1--3 ? *

    S y btbuc l s 0, vyta phi tm h s.c h s s tmc gi tr dng

    ny

    -3 hehe, h s l -3,khng khe cht

    no20/4/2012 24

  • GiI BI TON N HNH

    i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -2 x5 0 4 3 1 1 0 1 0 43 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 01 x4 0 02 x5 0 3 13/5 3/5 0 0 0 -1/53 x3 8 1 2/5 2/5 1 0 0 1/5

    j= ->2/5-2 -3 * 16/5 2 + 6/5 =16/5

    ci ny cng trphn s thi

    20/4/2012 25

  • GiI BI TON N HNH

    i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -2 x5 0 4 3 1 1 0 1 0 43 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 01 x4 0 16/5 02 x5 0 3 13/5 3/5 0 0 0 -1/53 x3 8 1 2/5 2/5 1 0 0 1/5

    j= ->2/5-1 -3 * 11/5 1 + 6/5 =11/5

    hehe

    20/4/2012 26

  • GiI BI TON N HNH

    i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -2 x5 0 4 3 1 1 0 1 0 43 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 01 x4 0 11/5 16/5 02 x5 0 3 13/5 3/5 0 0 0 -1/53 x3 8 1 2/5 2/5 1 0 0 1/5

    j= ->1-12 -3 * 15 12 + 3=15

    hehe

    20/4/2012 27

  • GiI BI TON N HNH

    i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -2 x5 0 4 3 1 1 0 1 0 43 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 01 x4 0 15 11/5 16/5 0 1 0 3/52 x5 0 3 13/5 3/5 0 0 0 -1/53 x3 8 1 2/5 2/5 1 0 0 1/5

    jLm tng t tac nh bng trn

    20/4/2012 28

  • GiI BI TON N HNH

    i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -2 x5 0 4 3 1 1 0 1 0 43 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 01 x4 0 15 11/5 16/5 0 1 0 3/52 x5 0 3 13/5 3/5 0 0 0 -1/53 x3 8 1 2/5 2/5 1 0 0 1/5

    j

    = 008

    X1531 -> 8

    0 * 15 + 0 * 3 + 8 * 1 = 820/4/2012 29

  • GiI BI TON N HNHi C s Ci Bi

    P/ax1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -2 x5 0 4 3 1 1 0 1 0 43 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 01 x4 0 15 11/5 16/5 0 1 0 3/52 x5 0 3 13/5 3/5 0 0 0 -1/53 x3 8 1 2/5 2/5 1 0 0 1/5

    j 8

    = 008

    X44/531 ->

    4

    0 * 44/5 + 0 * 3 + 8 * 1 = 8

    - 4

    20/4/2012 30

  • GiI BI TON N HNHi C s Ci Bi

    P/ax1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -2 x5 0 4 3 1 1 0 1 0 43 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 01 x4 0 15 11/5 16/5 0 1 0 3/52 x5 0 3 13/5 3/5 0 0 0 -1/53 x3 8 1 2/5 2/5 1 0 0 1/5

    j 8 4

    = 008

    X16/53/52/5 ->

    -14/5

    0 * 16/5 + 0 * 3/5 + 8 * 2/5 = 16/5

    - 6

    20/4/2012 31

  • GiI BI TON N HNHi C s Ci Bi

    P/ax1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -2 x5 0 4 3 1 1 0 1 0 43 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 01 x4 0 15 11/5 16/5 0 1 0 3/52 x5 0 3 13/5 3/5 0 0 0 -1/53 x3 8 1 2/5 2/5 1 0 0 1/5

    j 8 4 -14/5

    = 008

    X001 ->

    0

    0 * 0 + 0 * 0 + 8 * 1 = 8

    - 8

    20/4/2012 32

  • GiI BI TON N HNHi C s Ci Bi

    P/ax1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -2 x5 0 4 3 1 1 0 1 0 43 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 01 x4 0 15 11/5 16/5 0 1 0 3/52 x5 0 3 13/5 3/5 0 0 0 -1/53 x3 8 1 2/5 2/5 1 0 0 1/5

    j 8 4 -14/5 0 0 0 8/5

    Lm tng t tac nh bng trn

    20/4/2012 33

  • GiI BI TON N HNHi C s Ci Bi

    P/ax1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -2 x5 0 4 3 1 1 0 1 0 43 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 01 x4 0 15 11/5 16/5 0 1 0 3/5 75/162 x5 0 3 13/5 3/5 0 0 0 -1/5 53 x3 8 1 2/5 2/5 1 0 0 1/5 5/2

    j 8 4 (-14/5) 0 0 0 8/5

    ly phng nchia cho ct xoay

    -> lamda

    = /

    20/4/2012 34

  • GiI BI TON N HNHi C s Ci Bi

    P/ax1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -2 x5 0 4 3 1 1 0 1 0 43 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 01 x4 0 15 11/5 16/5 0 1 0 3/5 75/162 x5 0 3 13/5 3/5 0 0 0 -1/5 53 x3 8 1 2/5 (2/5) 1 0 0 1/5 (5/2)

    j 8 4 (-14/5) 0 0 0 8/5

    lamda dng bnht lm dng

    xoayta c x3 ra v x2vo c s

    20/4/2012 35

  • i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -2 x5 0 4 3 1 1 0 1 0 43 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 01 x4 0 15 11/5 16/5 0 1 0 3/5 75/162 x5 0 3 13/5 3/5 0 0 0 -1/5 53 x3 8 1 2/5 (2/5) 1 0 0 1/5 (5/2)

    j 8 4 (-14/5) 0 0 0 8/51 x4 02 x5 03 x2 6

    = -> 12/5 / 2/5

    20/4/2012 36

  • i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -2 x5 0 4 3 1 1 0 1 0 43 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 01 x4 0 15 11/5 16/5 0 1 0 3/5 75/162 x5 0 3 13/5 3/5 0 0 0 -1/5 53 x3 8 1 2/5 (2/5) 1 0 0 1/5 (5/2)

    j 8 4 (-14/5) 0 0 0 8/51 x4 02 x5 03 x2 6 1

    = -> 12/5 / 2/5

    20/4/2012 37

  • i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -2 x5 0 4 3 1 1 0 1 0 43 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 01 x4 0 15 11/5 16/5 0 1 0 3/5 75/162 x5 0 3 13/5 3/5 0 0 0 -1/5 53 x3 8 1 2/5 (2/5) 1 0 0 1/5 (5/2)

    j 8 4 (-14/5) 0 0 0 8/51 x4 02 x5 03 x2 6 1 1

    = -> 5/21 / 2/5

    20/4/2012 38

  • i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -2 x5 0 4 3 1 1 0 1 0 43 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 01 x4 0 15 11/5 16/5 0 1 0 3/5 75/162 x5 0 3 13/5 3/5 0 0 0 -1/5 53 x3 8 1 2/5 (2/5) 1 0 0 1/5 (5/2)

    j 8 4 (-14/5) 0 0 0 8/51 x4 02 x5 03 x2 6 5/2 1 1 5/2 0 0 1/2

    = ->/ 2/5

    20/4/2012 39

  • i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -2 x5 0 4 3 1 1 0 1 0 43 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 01 x4 0 15 11/5 16/5 0 1 0 3/5 75/162 x5 0 3 13/5 3/5 0 0 0 -1/5 53 x3 8 1 2/5 (2/5) 1 0 0 1/5 (5/2)

    j 8 4 (-14/5) 0 0 0 8/51 x4 02 x5 03 x2 6 5/2 1 1 5/2 0 0 1/2

    = ->/ 2/5 Lm tng t sc kt qu nh

    bng20/4/2012 40

  • i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -2 x5 0 4 3 1 1 0 1 0 43 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 01 x4 0 15 11/5 16/5 0 1 0 3/5 75/162 x5 0 3 13/5 3/5 0 0 0 -1/5 53 x3 8 1 2/5 (2/5) 1 0 0 1/5 (5/2)

    j 8 4 (-14/5) 0 0 0 8/51 x4 02 x5 0 03 x2 6 5/2 1 1 5/2 0 0 1/2

    0 = ->1-3/5 ? *

    S y btbuc l s 0, vyta phi tm h s.c h s s tmc gi tr dng

    ny

    3/5

    20/4/2012 41

  • i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -2 x5 0 4 3 1 1 0 1 0 43 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 01 x4 0 15 11/5 16/5 0 1 0 3/5 75/162 x5 0 3 13/5 3/5 0 0 0 -1/5 53 x3 8 1 2/5 (2/5) 1 0 0 1/5 (5/2)

    j 8 4 (-14/5) 0 0 0 8/51 x4 02 x5 0 03 x2 6 5/2 1 1 5/2 0 0 1/2

    = ->1-13/5 3/5 * 2 13/5-3/5=10/5=2

    20/4/2012 42

  • i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -2 x5 0 4 3 1 1 0 1 0 43 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 01 x4 0 15 11/5 16/5 0 1 0 3/5 75/162 x5 0 3 13/5 3/5 0 0 0 -1/5 53 x3 8 1 2/5 (2/5) 1 0 0 1/5 (5/2)

    j 8 4 (-14/5) 0 0 0 8/51 x4 02 x5 0 2 03 x2 6 5/2 1 1 5/2 0 0 1/2

    = ->5/2-3 3/5 * 3/2 3-3/5*5/2= 3-3/2= 3/2

    20/4/2012 43

  • i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -2 x5 0 4 3 1 1 0 1 0 43 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 01 x4 0 15 11/5 16/5 0 1 0 3/5 75/162 x5 0 3 13/5 3/5 0 0 0 -1/5 53 x3 8 1 2/5 (2/5) 1 0 0 1/5 (5/2)

    j 8 4 (-14/5) 0 0 0 8/51 x4 02 x5 0 3/2 2 0 3/2 0 0 1/23 x2 6 5/2 1 1 5/2 0 0 1/2

    Lm tng t c kt qu nh

    bng20/4/2012 44

  • i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -2 x5 0 4 3 1 1 0 1 0 43 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 01 x4 0 15 11/5 16/5 0 1 0 3/5 75/162 x5 0 3 13/5 3/5 0 0 0 -1/5 53 x3 8 1 2/5 (2/5) 1 0 0 1/5 (5/2)

    j 8 4 (-14/5) 0 0 0 8/51 x4 0 02 x5 0 3/2 2 0 3/2 0 0 1/23 x2 6 5/2 1 1 5/2 0 0 1/2

    0 = ->1-16/5 ? *

    S y btbuc l s 0, vyta phi tm h s.c h s s tmc gi tr dng

    ny

    16/5

    20/4/2012 45

  • i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -2 x5 0 4 3 1 1 0 1 0 43 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 01 x4 0 15 11/5 16/5 0 1 0 3/5 75/162 x5 0 3 13/5 3/5 0 0 0 -1/5 53 x3 8 1 2/5 (2/5) 1 0 0 1/5 (5/2)

    j 8 4 (-14/5) 0 0 0 8/51 x4 0 02 x5 0 3/2 2 0 3/2 0 0 1/23 x2 6 5/2 1 1 5/2 0 0 1/2

    = ->1-11/5 16/5 * -1 11/5-16/5 = -5/5=-1 hehe

    20/4/2012 46

  • i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -2 x5 0 4 3 1 1 0 1 0 43 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 01 x4 0 15 44/5 16/5 0 1 0 3/5 75/162 x5 0 3 13/5 3/5 0 0 0 -1/5 53 x3 8 1 2/5 (2/5) 1 0 0 1/5 (5/2)

    j 8 4 (-14/5) 0 0 0 8/51 x4 0 -1 02 x5 0 3/2 2 0 3/2 0 0 1/23 x2 6 5/2 1 1 5/2 0 0 1/2

    = ->5/2-15 16/5 * 7 15 16/5*5/2 =7

    20/4/2012 47

  • i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -2 x5 0 4 3 1 1 0 1 0 43 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 01 x4 0 15 44/5 16/5 0 1 0 3/5 75/162 x5 0 3 13/5 3/5 0 0 0 -1/5 53 x3 8 1 2/5 (2/5) 1 0 0 1/5 (5/2)

    j 8 4 (-14/5) 0 0 0 8/51 x4 0 7 28/5 0 -8 1 0 -12 x5 0 3/2 2 0 3/2 0 0 1/23 x2 6 5/2 1 1 5/2 0 0 1/2

    Tnh tng t tas c kt qu

    20/4/2012 48

  • i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -2 x5 0 4 3 1 1 0 1 0 43 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 01 x4 0 15 44/5 16/5 0 1 0 3/5 75/162 x5 0 3 13/5 3/5 0 0 0 -1/5 53 x3 8 1 2/5 (2/5) 1 0 0 1/5 (5/2)

    j 8 4 (-14/5) 0 0 0 8/51 x4 0 7 28/5 0 -8 1 0 -12 x5 0 3/2 2 0 3/2 0 0 1/23 x2 6 5/2 1 1 5/2 0 0 1/2

    j

    = 006

    X73/25/2 ->

    15

    0 * 7 + 0 * 3/2 + 6 * 5/2 = 820/4/2012 49

  • i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -2 x5 0 4 3 1 1 0 1 0 43 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 01 x4 0 15 44/5 16/5 0 1 0 3/5 75/162 x5 0 3 13/5 3/5 0 0 0 -1/5 53 x3 8 1 2/5 (2/5) 1 0 0 1/5 (5/2)

    j 8 4 (-14/5) 0 0 0 8/51 x4 0 7 28/5 0 -8 1 0 -12 x5 0 3/2 2 0 3/2 0 0 1/23 x2 6 5/2 1 1 5/2 0 0 1/2

    j 15

    = 006

    X28/521 -> 2

    0 *28/5 + 0 * 2 + 6 * 1 = 6- 4

    20/4/2012 50

  • i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -2 x5 0 4 3 1 1 0 1 0 43 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 01 x4 0 15 44/5 16/5 0 1 0 3/5 75/162 x5 0 3 13/5 3/5 0 0 0 -1/5 53 x3 8 1 2/5 (2/5) 1 0 0 1/5 (5/2)

    j 8 4 (-14/5) 0 0 0 8/51 x4 0 7 28/5 0 -8 1 0 -12 x5 0 3/2 2 0 3/2 0 0 1/23 x2 6 5/2 1 1 5/2 0 0 1/2

    j 15 2

    = 006

    X001 -> 0

    0 *0 + 0 * 0 + 6 * 1 = 6- 6

    20/4/2012 51

  • i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -2 x5 0 4 3 1 1 0 1 0 43 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 01 x4 0 15 44/5 16/5 0 1 0 3/5 75/162 x5 0 3 13/5 3/5 0 0 0 -1/5 53 x3 8 1 2/5 (2/5) 1 0 0 1/5 (5/2)

    j 8 4 (-14/5) 0 0 0 8/51 x4 0 7 28/5 0 -8 1 0 -12 x5 0 3/2 2 0 3/2 0 0 1/23 x2 6 5/2 1 1 5/2 0 0 1/2

    j 15 2 0 7 0 0 3

    Tnh tng t tas c kt qu

    20/4/2012 52

  • i C s Ci BiP/a

    x1 x2 x3 x4 x5 x6 4 6 8 0 0 0

    1 x4 0 12 1 2 -3 1 0 0 -2 x5 0 4 3 1 1 0 1 0 43 x6 0 5 2 2 (5) 0 0 1 (1)

    j 0 -4 -6 (-8) 0 0 01 x4 0 15 44/5 16/5 0 1 0 3/5 75/162 x5 0 3 13/5 3/5 0 0 0 -1/5 53 x3 8 1 2/5 (2/5) 1 0 0 1/5 (5/2)

    j 8 4 (-14/5) 0 0 0 8/51 x4 0 7 28/5 0 -8 1 0 -12 x5 0 3/2 2 0 3/2 0 0 1/23 x2 6 5/2 1 1 5/2 0 0 1/2

    j 15 2 0 7 0 0 3V j 0 vi mi j nn phng n c bn bng 3 l phng n ti uphng n ti u l X* = (0 , 5/2, 0)Zmax = 15

    20/4/2012 53