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OpenStudy (anonymous):
Can I safely say that all n by n symmetrical matrices are invertible and therefore non-singular?
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OpenStudy (amistre64):
not all square matrixes are invertible
OpenStudy (anonymous):
How about if it is symmetrical matrix?
OpenStudy (anonymous):
ok, no, it is not invertible all the time. extreme case of a zero vector will not be invertible. thanks.
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