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This project forked from jyypma/ipoptr

ipoptr is an R interface to Ipopt (Interior Point Optimizer), an open source software package for large-scale nonlinear optimization. It can be used to solve general nonlinear programming problems with nonlinear constraints and lower and upper bounds for the controls. Ipopt is written in C++ and is released as open source code under the Eclipse Public License (EPL). It is available from the COIN-OR initiative. The code has been written by Carl Laird and Andreas Waechter, who is the COIN project leader for Ipopt.