https://communities.sas.com/t5/SAS-Enterprise-Guide/IML-NLPNRA/m-p/1542#M487 Hello,<BR /> <BR /> I created a matrix (named SIM) in PROC IML, and needed use the elements in SIM to run CALL NLPNRA. I assumed that the the matrix would be recognized in the module created by START/FINISH. However, SAS always gave the error message indicating that SIM was a blank matrix. I thus tried READ, USE, ... in the module, they did not work. Is there a specific statment in START/FINISH to read the matrix into the module? Thu, 12 Oct 2006 18:28:46 GMT deleted_user 2006-10-12T18:28:46Z https://communities.sas.com/t5/SAS-Enterprise-Guide/IML-NLPNRA/m-p/1542#M487 Hello,<BR /> <BR /> I created a matrix (named SIM) in PROC IML, and needed use the elements in SIM to run CALL NLPNRA. I assumed that the the matrix would be recognized in the module created by START/FINISH. However, SAS always gave the error message indicating that SIM was a blank matrix. I thus tried READ, USE, ... in the module, they did not work. Is there a specific statment in START/FINISH to read the matrix into the module? Thu, 12 Oct 2006 18:28:46 GMT https://communities.sas.com/t5/SAS-Enterprise-Guide/IML-NLPNRA/m-p/1542#M487 deleted_user 2006-10-12T18:28:46Z https://communities.sas.com/t5/SAS-Enterprise-Guide/IML-NLPNRA/m-p/1543#M488 Use a GLOBAL statement as part of the definition of the objective function module:<BR /> start my_func(x) global(sim);<BR /> /* access elements of sim as part of optimizing x */<BR /> finish; Mon, 20 Apr 2009 12:42:47 GMT https://communities.sas.com/t5/SAS-Enterprise-Guide/IML-NLPNRA/m-p/1543#M488 Rick_SAS 2009-04-20T12:42:47Z