https://communities.sas.com/t5/SAS-IML-Software-and-Matrix/integer-prorgramming/m-p/66220#M415 I need to optimize an objective function using NLP in SAS/IML. The decision variable (x) is either 0 or 1. How can I declare this variable. Thanks. Sat, 22 Aug 2009 07:34:13 GMT deleted_user 2009-08-22T07:34:13Z https://communities.sas.com/t5/SAS-IML-Software-and-Matrix/integer-prorgramming/m-p/66220#M415 I need to optimize an objective function using NLP in SAS/IML. The decision variable (x) is either 0 or 1. How can I declare this variable. Thanks. Sat, 22 Aug 2009 07:34:13 GMT https://communities.sas.com/t5/SAS-IML-Software-and-Matrix/integer-prorgramming/m-p/66220#M415 deleted_user 2009-08-22T07:34:13Z