Accelerate fitting further [see PR#330] by building eval-string only once in a fit#331

adrianusler wants to merge 4 commits into

ECSHackWeek:mainECSHackWeek/impedance.py:mainfrom

adrianusler:feature/build-circuit-onceadrianusler/impedance.py:feature/build-circuit-onceCopy head branch name to clipboard