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DORYS VILLAROEL M.
Universidad Tecnológica
Indoámerica
INVESTIGACION OPERATIVA
TALLER 1 -TAREA 3
DORYS LILIANA VILLAROEL M.
CONTABLIDAD Y AUDITORIA
CICLO: Octavo Ciclo
PROFESOR: ING. Paulo Torres
SEMESTRE: Agosto - Diciembre/2013
DORYS VILLAROEL M.
Tarea 3
Resolver los ejercicios siguientes, detallar cada una de las fases del
problema:
1. Identificar las restricciones y tipo de problema
2. Convertir las restricciones a su opuesto
3. Indicar la solución
Encuentre el problema dual a partir del primal de los siguientes
ejercicios.
Indique que restricciones se deben modificar
EJERCICIO 1:
Minimizar
Sujeto a:
DUAL A PARTIR DEL PRIMAL
MAXIMIZAR Z=10X1 -20X2 + 10X3
SUJETO a:
X1 + 2X2 -3X3 ≥ 6
X1 + 2X2 -3X3 ≤ 6
4X1 + 11X2 -10X3 ≥ 17
2X1 + 5X2 -7X3 ≤ 9
X1 , X2 , X3 ≥ 0
DORYS VILLAROEL M.
MAXIMIZAR Z=10X1 -20X2 + 10X3
SUJETO A:
-X1 - 2X2 +3X3 ≤ - 6(W1¯)
X1 + 2X2 -3X3 ≤ 6 (W1)
-4X1 - 11X2 +10X3 ≤-17(W2¯)
2X1 + 5X2 -7X3 ≤ 9(W3)
X1, X2, X3 ≥ 0
SOLUCION DUAL
MINIMIZAR Z= - 6W1¯+6W1 -17W2¯ + 9W3
-W1 +W1- 4 W2 +2 W3 10
-2W1 + 2 W1 -11 W2 +5W3 ≥ -20
3W1 - 3 W1+10W2 -7 W3 ≥ 10
W1 , W2 , W3 ≥ 0
EJERCICIO 2:
Minimizar
Sujeto a:
DORYS VILLAROEL M.
DUAL A PARTIR DEL PRIMAL
MAXIMIZAR Z=5000X1 + 7000X2
SUJETO A:
-100X1 - 140X2 ≥ -5000
-10X1 - 6X2 ≥ -300
4X1 + 8X2 ≥ 240
4X1 + 8X2 ≤ 240
X1 , X2 ≥ 0
MAXIMIZAR Z=5000X1 + 7000X2
SUJETO A:
-100X1 - 140X2 ≥ -5000(W1)
-10X1 - 6X2 ≥ -300(W2)
-4X1 - 8X2 ≥ - 240 (W¯3)
4X1 + 8X2 ≤ 240 (W3)
X1, X2 ≥ 0
SOLUCION DUAL
MINIMIZAR Z=-5000 W1 -300W2 -250 W¯3 +240W3
SUJETOS A:
-100W1 - 10 W2 -4W 3+4W3 ≥ 5000
140W1 - 6 W2 -8W3 +8W3 ≥ 7000
W1, W2, ≥ 0

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Dorys villaroel.taller1.3 investigacionoperativa

  • 1. DORYS VILLAROEL M. Universidad Tecnológica Indoámerica INVESTIGACION OPERATIVA TALLER 1 -TAREA 3 DORYS LILIANA VILLAROEL M. CONTABLIDAD Y AUDITORIA CICLO: Octavo Ciclo PROFESOR: ING. Paulo Torres SEMESTRE: Agosto - Diciembre/2013
  • 2. DORYS VILLAROEL M. Tarea 3 Resolver los ejercicios siguientes, detallar cada una de las fases del problema: 1. Identificar las restricciones y tipo de problema 2. Convertir las restricciones a su opuesto 3. Indicar la solución Encuentre el problema dual a partir del primal de los siguientes ejercicios. Indique que restricciones se deben modificar EJERCICIO 1: Minimizar Sujeto a: DUAL A PARTIR DEL PRIMAL MAXIMIZAR Z=10X1 -20X2 + 10X3 SUJETO a: X1 + 2X2 -3X3 ≥ 6 X1 + 2X2 -3X3 ≤ 6 4X1 + 11X2 -10X3 ≥ 17 2X1 + 5X2 -7X3 ≤ 9 X1 , X2 , X3 ≥ 0
  • 3. DORYS VILLAROEL M. MAXIMIZAR Z=10X1 -20X2 + 10X3 SUJETO A: -X1 - 2X2 +3X3 ≤ - 6(W1¯) X1 + 2X2 -3X3 ≤ 6 (W1) -4X1 - 11X2 +10X3 ≤-17(W2¯) 2X1 + 5X2 -7X3 ≤ 9(W3) X1, X2, X3 ≥ 0 SOLUCION DUAL MINIMIZAR Z= - 6W1¯+6W1 -17W2¯ + 9W3 -W1 +W1- 4 W2 +2 W3 10 -2W1 + 2 W1 -11 W2 +5W3 ≥ -20 3W1 - 3 W1+10W2 -7 W3 ≥ 10 W1 , W2 , W3 ≥ 0 EJERCICIO 2: Minimizar Sujeto a:
  • 4. DORYS VILLAROEL M. DUAL A PARTIR DEL PRIMAL MAXIMIZAR Z=5000X1 + 7000X2 SUJETO A: -100X1 - 140X2 ≥ -5000 -10X1 - 6X2 ≥ -300 4X1 + 8X2 ≥ 240 4X1 + 8X2 ≤ 240 X1 , X2 ≥ 0 MAXIMIZAR Z=5000X1 + 7000X2 SUJETO A: -100X1 - 140X2 ≥ -5000(W1) -10X1 - 6X2 ≥ -300(W2) -4X1 - 8X2 ≥ - 240 (W¯3) 4X1 + 8X2 ≤ 240 (W3) X1, X2 ≥ 0 SOLUCION DUAL MINIMIZAR Z=-5000 W1 -300W2 -250 W¯3 +240W3 SUJETOS A: -100W1 - 10 W2 -4W 3+4W3 ≥ 5000 140W1 - 6 W2 -8W3 +8W3 ≥ 7000 W1, W2, ≥ 0