Define matrix functions

[mtfishman]

Depends on ITensor/TensorAlgebra.jl#86.

[codecov]

Codecov Report

❌ Patch coverage is 25.00000% with 15 lines in your changes missing coverage. Please review.
✅ Project coverage is 70.31%. Comparing base (b440455) to head (b0f69c9).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/tensoralgebra.jl	38.46%	8 Missing ⚠️
src/nameddimsoperator.jl	0.00%	4 Missing ⚠️
src/abstractnameddimsarray.jl	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #110      +/-   ##
==========================================
- Coverage   71.04%   70.31%   -0.74%     
==========================================
  Files          17       17              
  Lines         943      960      +17     
==========================================
+ Hits          670      675       +5     
- Misses        273      285      +12     

Flag	Coverage Δ
docs	24.44% <0.00%> (-0.45%)	⬇️

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