Matrices Modeling Contexts
AP Precalculus · Flashcards · Recall
AP PRECALCULUS · FLASHCARDS
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QUESTION
What is a column matrix?
QUESTION
What does the term 'orthogonal matrix' refer to?
QUESTION
What is the identity matrix?
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ANSWER
A square matrix with 1s on the diagonal and 0s elsewhere. Denoted as
I
n
I_n
I
n
for an
n
×
n
n \times n
n
×
n
identity matrix.
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