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Quantitative economics > 2- Matrices > Flashcards

2- Matrices Flashcards

1
Q

Identity matrix

A

( 1 0 0)
(0 1 0)
(0 0 1)
Plays same role as 1 in scalar algebra

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2
Q

When can we add or subtract matrices?

A
  • Only when they are compatible (same dimensions).
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Quantitative economics (3 decks)

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