[ADMB Users] bounded_vector elements

[Mollie Brooks]

Thanks! Sorry I was searching the wrong term in the manual.
-Mollie


On Nov 10, 2010, at 4:35 PM, Steve Martell wrote:

> Yes read the manual on init_bounded_number_vectors
>
> DATA_SECTION
> init_int n
> // ...
> PARAMETER_SECTION
> // need to create some vectors to hold the bounds and
> // phase numbers
> LOC_CALCS
> dvector lb(1,n);
> dvector ub(1,n);
> ivector ph(1,n);
> // get the desired values into lb,ub,ph somehow
> lb.fill_seqadd(1,0.5);
> ub.fill_seqadd(2,0.5);
> ph.fill_seqadd(1,1);
> END_CALCS
> init_bounded_number_vector a(1,n,lb,ub,ph)
>
> On 2010-11-10, at 1:28 PM, Mollie Brooks wrote:
>
>> I think the answer is probably "no", but is there a way to create a  
>> bounded_vector with different bounds on different elements?
>> I need this because I store my model coefficients in a vector to be  
>> multiplied by the matrix of predictors and I want to restrict some  
>> coefficients to be positive and others negative. Maybe this could  
>> go on a to-do list?
>>
>> I guess I could hack this by restricting the coefficients to be  
>> positive and making certain predictors negative in my .dat file.
>> thanks,
>> Mollie
>>
>>
>>
>> _______________________________________________
>> Users mailing list
>> Users at admb-project.org
>> http://lists.admb-project.org/mailman/listinfo/users
>
> Steve Martell
> s.martell at fisheries.ubc.ca
>
>
>

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