Re: [Help-glpk] how to make matrix multiply with mathprog

[hhb83]

It seems that if the formula or values are not rational, all the variables
will be 0.
Thank you very much.
Haibin


xypron wrote:
> 
> Hello Haibin
> 
> hhb83 wrote:
>> 
>> ... the problem is that I could not give a value to X, even if I write
>> this:
>> s.t. position{i in I, j in J, m in K}: X[i,j,m] = 2; 
>> the X[i,j,m] are 0, but the position[i,j,m] are all 2. I don't know how
>> to deal with this formulation.
>> 
> 
> x will only have value 2 after the solve statement has been executed.
> 
> Please, try the example below.
> 
> Best regards
> 
> Xypron
> 
> 
> var x;
> s.t. c : x = 2;
> display c;
> display x;
> solve;
> display c;
> display x;
> end;
> 
> 

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