py39-lmfit (python/py-lmfit) Updated: 6 months, 1 week ago Add to my watchlist

Least-Squares Minimization with Bounds and Constraints

Built on top of scipy.optimize, lmfit provides a Parameter object which can be set as fixed or free, can have upper and/or lower bounds, or can be written in terms of algebraic constraints of other Parameters.

Version: 1.3.4 License: BSD
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2026-Jan-01 to 2026-Jan-31


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