Added OOP approach to matrices#1165

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cclauss merged 7 commits intoTheAlgorithms:masterfrom

jasper256:master

Sep 8, 2019

Commits on Sep 1, 2019

Added OOP aproach to matrices
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Commits on Sep 2, 2019

created methods for minors, cofactors, and determinants and added corresponding doctests
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Added methods for adjugate, inverse, and identity (along with corresponding doctests) to matrix_class.py
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formatted matrix_class.py with python/black
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Commits on Sep 3, 2019