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 yesor simply run the IPOPT AMPL solver executable as
ipopt --print-options
The most common options are: