Please have a look at the documentation how to use IntArgs and IntVarArgs.
What you want to do is copy the coefficients and variables from your matrix
into the Args, something like
int count=0;
for (int i=0; i<n; i++)
for (int j=0; j<m; j++) res[count++] = g[i][j];
Cheers,
Guido
On 19 Nov 2013, at 11:55 am, manel askri <askri.man...@gmail.com> wrote:
> hi
> Thank You for your help but i really didn't get it well with the IntVarArgs :
> this what i did :
>
> IntArgs res(n*m);
> IntVarArgs X1(n*m);
>
> for (int i=0; i<n; i++)
> {
> IntArgs res(g[i]);/// here i'm not
> sur if i will get the whole matrix g in the IntArgs res??????
> }
> for (int i=0; i<n; i++)
> {
> IntVarArgs X1(X.row(i));//// but this
> is wrong how can i fix this ?? how can i put the matrix X which has Boolean
> variables in the IntVarArgs X1??????
> }
>
>
> Could You please help me with that ????
>
> Thank YOU very much
>
> Manel
>
>
> 2013/11/19 Guido Tack <t...@gecode.org>
> Simply create a new IntArgs and IntVarArgs with the right size and put all
> the coefficients and variables that you need to sum up into those arrays.
> Then you only need to post one linear.
>
> Cheers,
> Guido
>
> On 19 Nov 2013, at 8:26 am, manel askri <askri.man...@gmail.com> wrote:
>
>>
>> hi everyone!
>>
>> I want to post a constraint that is the sum of a sum like this
>> sum(sum (res [ i ] * X.row (i)))=Z, with 0 < i <n
>>
>> but in the documentation MPG I just found the linear constraint that are
>> used to constraint the sum not the sum of sum :
>>
>> let me explain:
>>
>> I have a matrix : vector < vector <int> > res , and a Boolean matrix X
>> defined as follows: Matrix <BoolVarArray> X (a, m, n);
>>
>> in the following code I had to do this sum :
>>
>> sum (res [ i ] * X.row (i)) with 0 < i <n / / here i can not pay this sum
>> for a table because the 2 matrix does not have the same type and i didnt
>> find any prototype of the linear constraint that can do this.
>>
>> Then I had to make this sum :
>>
>> the sum of the previous sum= Z
>>
>> so I used this constraint but it appeared that it is false because it does
>> not give me the desired solution :
>> linear ( * this , res [ i ] X.row ( i ) IRT_EQ , Z) ;
>>
>> I know that this constraint only to : sum (res [ i ] * X.row (i)) = Z ,
>> where 0 < i < n; an dits wrong.
>>
>> you have an idea on correcting this error could you help me please
>>
>> thank you very much for your help
>>
>> Manel
>>
>>
>>
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