SOAL TRANSFORMASI
Suatu
perusahaan yang mempunyai pabrik di O1,O2, dan O3.perusahaan menghadapi masalah
alokasi hasil produksinya dari pabrik-pabriki tersebut ke penjual di D1,D2,dan
D3.kapasitas pabrik, deman permintaan dan biaya penganggutan.dari tiap pabrik
ketiap penjualan dapat dilihat ditabel dibawah ini.
Kapasitas pabrik
Pabrik
|
Kapasitas
produksi tiap tahun
|
O1
O2
O3
|
56
ton
82
ton
77
ton
|
Jumlah
|
215
ton
|
Deman permintaan
Deman
|
Deman
permintaan tiap tahun
|
D1
D2
D3
|
72
ton
102
ton
41
ton
|
Jumlah
|
215
ton
|
Biaya pengankutan tiap
ribu dari pabrik O1,O2,O3 ke penjualan D1,D2,D3.
Biaya tiap ton (dalam ribu)
|
|||
DARI
|
Deman A
|
Deman B
|
Deman C
|
Pabrik O1
|
4
|
8
|
8
|
Pabrik O2
|
16
|
24
|
16
|
Pabrik O3
|
8
|
16
|
24
|
Jawab::
TABEL 1
DARI/KE
|
D1 = 4
|
D2 = 12
|
D3 = 20
|
KAPASITAS
|
|||
O1 = 0
|
|
|
|
56
|
|||
O2 = 12
|
|
|
|
82
|
|||
O3 = 4
|
|
|
|
77
|
|||
DEMAN PERMINTAAN
|
72
|
102
|
41
|
215
|
BIAYA 1:
56 x 4 + 16 x 16 + 66 x 24 + 36 x 16 + 41 x 24 = 3.624
SEGI EMPAT BATU
*RO1 + KD1 = CO1D1
O + KD1 = 4
KDI = 4
*RO2 + KD1 = CO2D1
RO2 + 4 = 16
RO2 = 12
*RO2 + KD2 = CO2D2
12 + KD2 = 24
KD2 = 12
*RO3 + KD2 = CO3D2
RO3 + 12 = 16
RO3 = 4
*RO3 + KD3 = CO3D3
4 + KD3 = 24
KD3 = 20
SEGI EMPAT AIR
O1D2 8-0-12 = -4
O1D3 8-0-20= -12
O2D3 16-12-20= -16 MIN
O3D1 8-4-4 = 0
TABEL 2
DARI/KE
|
D1 = 4
|
D2 = 12
|
D3 = 4
|
KAPASITAS
|
|||
O1 = 0
|
|
|
|
56
|
|||
O2 = 12
|
|
|
|
82
|
|||
O3 = 12
|
|
|
|
77
|
|||
DEMAN PERMINTAAN
|
72
|
102
|
41
|
215
|
BIAYA 2:
56 x 4 + 16 x16 + 25 x 24 + 77 x 16 + 41 x 16
= 2.968
SEGI EMPAT BATU
*RO1 + KD1 = CO1D1
O + KD1 = 4
KDI = 4
*RO2 + KD1 = CO2D1
RO2 + 4 = 16
RO2 = 12
*RO2 + KD2 = CO2D2
12 + KD2 = 24
KD2 = 12
*RO2 + KD3 = CO2D3
12 + KD3 = 16
KD3 = 4
*RO3 + KD2 = CO3D2
RO3 + 12 = 24
RO3 = 12
SEGI EMPAT AIR
O1D2 8-0-12 = -4
O1D3 8-0-4= 4
O3D1 8-12-4 = -8 MIN
O3D3 24-12-4 = 8
TABEL 3
DARI/KE
|
D1 = 4
|
D2 = 8
|
D3 = 4
|
KAPASITAS
|
|||
O1 = 0
|
|
|
|
56
|
|||
O2 = 12
|
|
|
|
82
|
|||
O3 = 8
|
|
|
|
77
|
|||
DEMAN PERMINTAAN
|
72
|
102
|
41
|
215
|
BIAYA 3:
31x 4 + 25 x 8 + 41 x 16 + 41
x16 + 77 x 16
= 2.868
SEGI EMPAT BATU
*RO1 + KD1 = CO1D1
O + KD1 = 4
KDI = 4
*RO2 + KD1 = CO2D1
O +KD2 = 8
KD2 = 8
*RO2 + KD1 = CO2D1
RO2 + 4 = 16
RO2 = 12
*RO2 + KD3 = CO2D3
12 + KD3 = 16
KD3 = 4
*RO3 + KD2 = CO3D2
RO3 + 8 = 16
RO3 = 8
SEGI EMPAT AIR
O1D3 8-0-4 = 4
O2D2 24-12-8= 4
O3D1 8-8-4 = -4 MIN
O3D3 24-8-4 = 12
TABEL 4
DARI/KE
|
D1 = 0
|
D2 = 8
|
D3 = 0
|
KAPASITAS
|
|||
O1 = 0
|
|
|
|
56
|
|||
O2 = 16
|
|
|
|
82
|
|||
O3 = 8
|
72
|
|
|
77
|
|||
DEMAN PERMINTAAN
|
72
|
102
|
41
|
215
|
BIAYA 4:
56 x 8 + 41 x 24 + 41 x 16 + 72
x 8 + 5 16
=2.744
SEGI EMPAT BATU
*RO1 + KD2 = CO1D2
O + KD2 = 8
KD2 = 8
*RO2 + KD2 = CO2D2
RO2 + 8 = 24
RO2 = 16
*RO2 + KD3 = CO2D3
16 +KD3 = 16
KD3 = 0
*RO3 + KD1 = CO3D1
8 + KD1 = 8
KD1 = 0
*RO3 + KD2 = CO3D2
RO3 + 8 = 16
RO3 = 8
SEGI EMPAT AIR
O1D1 4-0-0 = 4
O1D3 8-0-0= 8
O2D1 16-16-0=0
O3D3 24-8-0= 16
PRIMAL DUAL
Seorang
agen sepeda bermaksud membeli 25 buah sepeda untuk persediaan. Harga sepeda
biasa Rp60,000/buah dan sepeda balap Rp80,000/buah. Ia merencanalan untuk tidak
mengeluarkan lebih dari p1,680,000 dengan mengharapkan keuntungan Rp10,000 dari
tiap sepeda biasa dan Rp12,000 dari tiap sepeda balap
PRIMAL
Maksimum
Z= 12.000x
+ 10.000y
Fungsi
kendala
x + y ≤ 25
8x + 6y ≤ 168
x,y ≥ 0
maka Z=
12.000x + 10.000y +0s1+0s2
dan Fungsi
kendala
x + y +s1
= 25
8x + 6y +s2
= 168
B
|
X
|
Y
|
S1
|
S2
|
H
|
S1
|
1
|
1
|
1
|
0
|
25
|
S2
|
8
|
6
|
0
|
1
|
168
|
Z
|
-12.000
|
-10.000
|
0
|
0
|
0
|
b2’=
=
1
0
21
b1’= b1
b2’ = ( 1
1 1 0
25)-1(1
0
21)
=( 1
1 1 0
25)-(1
0
21)
=(0
)
b3’= b3
b2’ = (-12000 -10000
0 0 0)-(-12000)(1
0
21)
=(-12000
-10000 0 0
0)-(-12000 -9000 0
-1500 -252000)
=(0 -1000 0
1500 252000)
B
|
X
|
Y
|
S1
|
S2
|
H
|
S1
|
0
|
1
|
4
|
||
X
|
1
|
0
|
21
|
||
Z
|
0
|
-1000
|
0
|
1500
|
252000
|
b1’ =
=
(0 1
4
16)
b2’ =
= (1
0
21)-
(0
1 4
16)
=(1
0
21)-(0
3
12)
=(1
0 -3
9)
b3’ = b3
b1
=(0 -1000
0 1500 252000)-(-1000)(0 1
4
16)
=(0 -1000
0 1500 252000)-(0
-1000 -4000 500
-16000)
=(0 0
4000 1000 268000)
B
|
x
|
Y
|
S1
|
S2
|
H
|
Y
|
0
|
1
|
4
|
16
|
|
X
|
1
|
0
|
-3
|
9
|
|
Z
|
0
|
0
|
4000
|
1000
|
268000
|
Maka x =9
Y =16
Z =268000
DUAL
MIN W= 25P + 168Q
FS.KENDALA
P + 8Q ≥ 12.000
P + 6Q ≥ 10.000
P,Q, ≥ 0
JADI
MIN W = 25 P +168 Q +0S1+0S2+MA1+MA2
FS KENDALA
P + 8Q –S1 +A1 = 12.000
P + 6Q – S2 + A2 = 10.000
P,Q,S1,S2,A1,A2 ≥
0
TABEL 1
B
|
P
|
Q
|
S1
|
S2
|
A1
|
A2
|
H
|
|
M
|
A1
|
1
|
8
|
-1
|
0
|
1
|
0
|
12.000
|
M
|
A2
|
1
|
6
|
0
|
-1
|
0
|
1
|
10.000
|
Z
|
2M-25
|
14M-168
|
-M
|
-M
|
0
|
0
|
22.000M
|
b1’ =
=
(1/8 1
-1/8 0 1/8 0 1500)
b2’ =
= (1 6
0 -1 0
1 10000)-
(1/8
1 -1/8 0 1/8 0 1500)
=(1 6
0 -1 0
1 10000)-(
)
=(1/4
0 6/8 -1
-6/8 1 1000)
TABEL 2
B
|
P
|
Q
|
S1
|
S2
|
A1
|
A2
|
H
|
|
168
|
Q
|
1/8
|
1
|
-1/8
|
0
|
1/8
|
0
|
1500
|
M
|
A2
|
¼
|
0
|
6/8
|
-1
|
-6/8
|
1
|
1000
|
Z
|
1/4M-4
|
0
|
6/8M-21
|
-M
|
-14/8M+21
|
0
|
252000+1000M
|
b2’ =
=
(1/3 0
1 -8/6 -1 8/6
8000/6 )
b1’ =
= (1/8 1
1/8 0 1/8
0 1500)-
( 1/3
0 1 -8/6 -1
8/6 8000/6)
=(1/8 1
1/8 0 1/8
0 1500)-(
)
=(1/6 1
0 -1/6 0
1/6 10000/6)
TABEL 3
B
|
P
|
Q
|
S1
|
S2
|
A1
|
A2
|
H
|
|
168
|
Q
|
1/6
|
1
|
0
|
-1/6
|
0
|
1/6
|
10000/6
|
0
|
S1
|
1/3
|
0
|
1
|
-8/6
|
-1
|
8/6
|
8000/6
|
Z
|
3
|
0
|
0
|
-28
|
-M
|
-M +28
|
280.000
|
b2’ =
=
(1 0
3 -4 -3 4 4000
)
b1’ =
= (1/6 1
0 -1/6 0
1/6 10000/6)-
( 1
0 3 -4 -3
4 4000)
=(1/6 1
0 -1/6 0
1/6 10000/6)-(1/6 0 ½ -4/6 -3/6
4/6
=(0
1 -1/2 ½
3/6 -1/2 1000)
TABEL 4
B
|
P
|
Q
|
S1
|
S2
|
A1
|
A2
|
H
|
|
168
|
Q
|
0
|
1
|
-1/2
|
½
|
3/6
|
-1/2
|
1000
|
25
|
P
|
1
|
0
|
3
|
-4
|
-3
|
4
|
4000
|
Z
|
0
|
0
|
-9
|
-16
|
-M+9
|
-M +16
|
268.000
|
JADI
P = 4000
Q = 1000
Z = 268000
tolong kasih satu soal cerita translasi
BalasHapustolong ya sama refleksi satu lagi.makasih :)
BalasHapus