Matrices Flashcards

1
Q

How do you refer to matrices

A

RC row by column

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2
Q

Subtraction or addition of matrices

A

add or subtract corresponding elements

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3
Q

Matrices are comfortable for multiplication if

A

the # column one is equal to the # rows in the other

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4
Q

how do you multiply matrices

A

row by column rc and add products

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5
Q

How to transpose a matrix A’ or Aᵀ

A

Interchange rows and columns

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6
Q

A⁻¹

A

1/|A| by Matrix of cofactors

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