implement try/catch for singular matrices in __pow__

mitodl / mitx-grading-library

The MITx Grading Library, a python grading library for edX

BSD 3-Clause "New" or "Revised" License

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Closed ChristopherChudzicki closed 6 years ago

ChristopherChudzicki commented 6 years ago

Addresses #131

@jolyon Nearly singular things might still behave badly? You probably know better than me...

jolyonb commented 6 years ago

Nearly-singular can still behave badly, but for the purposes of numerics, they're essentially singular. This should cover all bases.