implement bounded least_squares

[Dan-Burns]

Hello,

I'm trying to use least_squares and got the following error.

NotImplementedError Traceback (most recent call last)
in
----> 1 jac0=least_squares(chi2,
2 par_theta,
3 bounds=bounds,
4 ftol=10^-5,xtol=10^-7)
5 par=jac0.x

1 frames
/usr/local/lib/python3.9/site-packages/torchmin/lstsq/trf.py in trf(fun, x0, f0, lb, ub, ftol, xtol, gtol, max_nfev, x_scale, tr_solver, tr_options, verbose)
27 tr_solver, tr_options, verbose)
28 else:
---> 29 raise NotImplementedError('trf with bounds not currently supported.')
30
31

NotImplementedError: trf with bounds not currently supported.

[rfeinman]

Hi @Dan-Burns - bounded least squares is not yet implemented. I have my hands full at the moment but if you'd like to contribute an implementation I'd be happy to review a PR.

[JordinaAviles]

Hi, I was wondering if the bounded least squares is already available or work is still going on. Thanks!

[rfeinman]

@JordinaAviles unfortunately I have not had time to implement this, but I'd be open to a PR if you'd like to contribute. Help is much needed and greatly appreciated!