Search found 3 matches
- 5 years ago
- Forum: Modeling
- Topic: help: basic eoq for perishable items
- Replies: 1
- Views: 2354
help: basic eoq for perishable items
can anyone assist in this? Consider the following modification of the basic EOQ model. When the inventory is at positive level X(t), in addition to demand draining inventory at rate gamma, the inventory perishes (due to e.g. items expiring or becoming defective) at infitesimal rate X(t)dt. Thus the ...
- 5 years ago
- Forum: Modeling
- Topic: help: qr policy with backlogging and varying demand
- Replies: 0
- Views: 2711
help: qr policy with backlogging and varying demand
can anyone assist with this? Consider the following modification of the EOQ model with backlogging. When the inventory is positive, demand arrives at rate lamda1; when the inventory is negative, demand arrives at rate lamda2. Suppose that, there are parameters k; b; h > 0 associated with the problem...
- 5 years ago
- Forum: Solvers
- Topic: BARON/Couenne problem
- Replies: 1
- Views: 3586
BARON/Couenne problem
Dear All
I am requested to solve the following using deterministic global optimization solver BARON or Couenne in GAMS using, and I have no idea how to do it. Please help
min |x1|+2|x2|-|x3|
st
x1+x2-x3 <= 10
x1-3x2+2x3=12
I am requested to solve the following using deterministic global optimization solver BARON or Couenne in GAMS using, and I have no idea how to do it. Please help
min |x1|+2|x2|-|x3|
st
x1+x2-x3 <= 10
x1-3x2+2x3=12