* Fix sphinx/build_docs warnings for linear_algebra/
* [pre-commit.ci] auto fixes from pre-commit.com hooks
for more information, see https://pre-commit.ci
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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
* added schur complement and tests to linear algebra
* updated according to checklist
* updated variable names and typing
* added two testcases for input validation
* fixed import order
Co-authored-by: Ivan Radonov <ivan.radonov@ad.mentormate.bg>