fix normest not working on rectangular matrices

[njericha]

See #362

[dpo]

Thank you. It looks like normest was only tested for square matrices. Would you mind adding a unit test for rectangular matrices?

[dpo]

Bump.

[njericha]

Bump.

Thanks for the reminder. I've just added a few tests for rectangular matrices.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 94.26%. Comparing base (32dbc5e) to head (1773afb).
Report is 46 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #364      +/-   ##
==========================================
- Coverage   95.00%   94.26%   -0.74%     
==========================================
  Files          17       20       +3     
  Lines        1100     1151      +51     
==========================================
+ Hits         1045     1085      +40     
- Misses         55       66      +11     

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[dpo]

Thank you!