[Ipopt] help to use ipopt

[Gaspar Núñez]

hi

i´m an economist and

i´ve been using ipopt with GAMS
to solve large squared nonlinear systems of equations

but i'd like not to use GAMS anymore
but some free open source software or interface

i will very much appreciate every piece of help
to do this in the easiest possible way
using a programming language similar to that of GAMS if possible 

since i´m not a programmer and not an expert on implementing algorithms

thankyou very much

gaspar

on 
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