Chris Moser
Chris Moser
I believe it's a callback function to indicate whether the Hessian of the Lagrangian is user-provided. See the start page [https://github.com/xuy/pyipopt](url) for a short mention of it. I have found...
Has this already been merged into the master branch, @xuy ? Thank you very much!
Hi Andrew, just chiming in here to say that an update to include the latest PSID data would be awesome and that I'd personally be fine without those problematic variables....