Flashcards
Untitled_2
Cards in this deck (6)
- 1When is a matrix invertible?If and only if all of its eigenvalues are non-zero.
- 2What is the trace of a square matrix?The sum of the elements on its leading diagonal.
- 3How is trace of A denoted?tr A.
- 4What is an upper triangular matrix?Square matrix in which each entry below the leading diagonal is 0
- 5What is a lower triangular matrix?A square matrix in which each entry above the leading diagonal is 0
- 6What is the transpose of an upper triangular matrix?A lower triangular matrix, and vice versa.
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- Flashcards on Untitled_2, created by aliceamanda.kay on 27/04/2013.
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