cplex agree chonawee go ahead place order cplex think provide us great set tools samer pinnamaneni krishnarao ect 05 24 00 01 34 pm samer takriti enron communications enron communications enron tom halliburton corp enron enron cc grant masson hou ect ect stinson gibner hou ect ect chonawee supatgiat corp enron enron vince j kaminski hou ect ect subject cplex talked vince optimization software issue vince said technical reasons two different packages benefits outweigh costs maintaining two licenses go ahead buy view great advantage strengths relative spent time trying come one package solves problmes without success point wasting time effort let go ahead purchase krishna samer takriti enron communications 05 24 2000 10 22 tom halliburton corp enron enron cc grant masson hou ect ect pinnamaneni krishnarao hou ect ect stinson gibner hou ect ect chonawee supatgiat corp enron enron subject cplex tom vince prefers one software package possible understanding special ordered sets recognized automatically internally cplex seems case cplex osl according ampl web page references check lorderedsetsfeature result cplex people feel need provide user tools represent special ordered sets opl matter fact incapability xpress recognize automatically concerns special requirements c code may used pass information solver straight forward chonawee testing done way chonawee benchmark shows superior performance cplex indicated earlier message feel xpress way go feel free purchase purchase order hold time however need check vince first strongly feel one solver order minimize cost contractual headaches let us try get issue resolved afternoon thanks samer