Fixes to class attributes and style#163

Merged

sbillinge merged 2 commits intodiffpy:john-developmentfrom

john-halloran:matlab-conform

Jul 22, 2025

Commits on Jul 21, 2025

fix: use symmetric initial phase fractions
John Halloran
committed

Commits on Jul 22, 2025

style: don't store objective function in a class attribute, just use history
John Halloran
committed