How to create a set of two parameters where the values are binary

[issab...@gmail.com]

Hello everyone ! I am new to AMPL and this is my first post , thank you in advance for any suggestions or help . 

I have a matrix for two parameters let's say job and tool , as the following 

      t1   t2   t3                       

j1   1    0     1                        

j2   0    1     1

j3   1    1     0 

j4   0    0     1  ... etc 

 the simple explanation is that job1 can be used by t1 and t3 to be processed , j2 uses t2 and t3 ..etc so my question is how can i write this in AMPL to use the set let's say 

set A; to use later in this constraint   {h in 1..H} : sum {m in 1..M,j in A} p[j,m] * X[j,h,m] <= TL[t] * TC[t]; where h is the number of periods, j number of jobs, m numbers of modes( different processing time for each mode) and t number of tools and X is a binary decision variable.  

Any help would be much appreciated ,

Thank you 

 

[Victor Zverovich]

Answered in https://groups.google.com/d/msg/ampl/85P_jvm_w4g/2iKxEfOiAAAJ.

HTH,

Victor

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