Options Reference

Options can be set using ipopt.opt, through your own code, or through the AMPL ipopt_options command. See Section 5 for an explanation of how to use these commands. Shown here is a list of the most important options for IPOPT. To view the full list of options, you can set the option print_options_documentation to yes or simply run the IPOPT AMPL solver executable as

ipopt --print-options

Usually, option values are identical for the regular mode of IPOPT and the restoration phase. However, to set an option value specifically for the restoration phase, the prefix ``resto.'' should be appended. For example, to set the acceptable tolerance for the restoration phase, use the keyword ``resto.acceptable_tol''.

The most common options are: