Search found 4 matches

by Siul83
Wed Sep 17, 2008 9:13 am
Forum: Vensim
Topic: Doubt about optimization
Replies: 2
Views: 2885

Doubt about optimization

Hi; I’m doing an optimization using multiple start: random. I would like to know how to make Vensim only use whole numbers (1,2,3 ...) and not with decimals, when it assigns values to the active parameters.My goal is to simplify the optimization process becouse i am using many parameters. Another qu...
by Siul83
Mon Jun 16, 2008 8:00 am
Forum: System Dynamics Discussion
Topic: Optimization & constraints
Replies: 4
Views: 6357

Hi JJ;

Thanks for your answer. It will be enought to solve my problem

Regards.

Siul
by Siul83
Wed Jun 11, 2008 10:08 am
Forum: System Dynamics Discussion
Topic: Optimization & constraints
Replies: 4
Views: 6357

Hi Tony; Thanks for your help but i´m still lost. I have simplified too much my problem so your answer was not exactly what I need. I´m going to explain it a little more detailed. My goal is to get the maximum profit of three crops, from the equation: “Maximum Profit = Y1*P1*A1 + Y2 * P2 * A2 + Y3 *...
by Siul83
Tue Jun 10, 2008 9:48 am
Forum: System Dynamics Discussion
Topic: Optimization & constraints
Replies: 4
Views: 6357

Optimization & constraints

Hi; I am a novice using Vensim. I am developing a model for allocating water using restrictions and optimization. My doubt is very simple. From the amount of water that will contribute to A and B I will get some benefits, and my goal is to maximize these benefits. I have formulated the optimization ...