feat: HarmonicEquation constructor with Jac

[oameye]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 80.22%. Comparing base (a7d95b5) to head (04159d7).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #36      +/-   ##
==========================================
+ Coverage   80.04%   80.22%   +0.18%     
==========================================
  Files          10       10              
  Lines         431      435       +4     
==========================================
+ Hits          345      349       +4     
  Misses         86       86              

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.