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Negative exponential - GAMS World Forum Negative exponential by Alexanre ito » 2 years ago Hi I have an equation as ir >= 0,0055* Qi^ (-0,47) ir <= 4,65 * Qf^ (-0,67)
Error reading config file - GAMS World Forum 983 @param databases Either a GamsDatabase or a list of GamsDatabases to be read by the GamsJob 984 ''' --> 986 tmp_cp, tmp_opt, pf_file_name, _ = self _prepare_run
$call with arguments - GAMS World Forum I'm trying to use $call with arguments, similar to how one would use $batinclude If my old $batinclude code was as follows: $batinclude test gms 20130101
GAMS Help Needed - GAMS World Forum this group is not to teach you how to use gams, it's for problems that gams user may have in coding so you need to have a look on gams user guide ( just see how it solve a transportation problem), you can learn so much from it then try to code your problem, where ever you have problem in detail, you can express it in this group and be sure that you will get your answer
SAS files into GAMS - GAMS World Forum The reason of that is that on the machine, which we use to create our projects, we store a huge amount of data in SAS data base And to avoid transferring aggregated data from SAS to something else and then to GAMS, I would like to know whether there is a direct way from SAS to GAMS All the best irena
equations on suffix - GAMS World Forum HomeBoard indexGams worldArchive Google Group equations on suffix Archive of Gamsworld Google Group 3 posts • Page 1 of 1 Archiver User Posts: 7876 Joined:7 years ago
Problems with looping and indices - GAMS World Forum There is routing variable x (i,j,t) which has location indices i and j, and index for time period t Later in my code I want to add a vehicle index v to this, so i have parameter xt (i,j,t,v) Every location can be at least met once per period and every delivering tour has to start and end in depot 'i1' With this knowledge every tour can be identified even without index v As an example tour1
MCP model - GAMS World Forum Pw World price of energy 1 GHGs Target of greenhouse gas emissions 2748390 delta1 Discount rate 0 02 gam1 Coefficient of utility 1 0 8 eta11 Elasticity of MGS in country 1 0 609 eta12 Elasticity of EQ in country 1 0 1644 ag1 Clean capital in country 1 1 675 alpha1 Target green house gas emissions 15 9341253
Problem adding constraints - GAMS World Forum The constraints you have for selecting only one of the capacities look good to me but your problem is infeasibility of the overall problem To debug this, you can start from a known feasible solution (a solution that you know should be feasible) and checking which constraints are violated Another way is to remove relax certain constraints and bounds to see if the solution makes sense An