Re: [eclipse-clp-users] eclipse university time tabling

paniz alipour wrote:
> Hello
> I can't run this part with eclipse,i get this error:
> 
> instantiation fault in functor(_120, [], _85)
> 

You did not say how you are running this goal. The most likely reason 
for your problem is because you called model/7 with V or B unbound,
and dim(Matrix,[V,B]) will then raise the error you see (it probably 
should be more informative in its error, saying the error comes from 
dim/2 rather than functor).

> model(V,B,R,K,L,Matrix,Method):-
> dim(Matrix,[V,B]),
> Matrix[1..V,1..B] :: 0..1,
> (for(I,1,V), param(Matrix,B,R) do
> sumlist(Matrix[I,1..B],R)
> ),
> (for(J,1,B), param(Matrix,V,K) do
> sumlist(Matrix[1..V,J],K)
> ),
> (for(I,1,V-1), param(Matrix,V,B,L) do
> (for(I1,I+1,V), param(Matrix,I,B,L) do
> scalar_product(Matrix[I,1..B],
> Matrix[I1,1..B],L)
> )
> ).

You should also consider formatting your code with indentations -- it 
should make it much easier to read.

Cheers,

Kish



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