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10 cards from this deck
A real number that multiplies each matrix element
Every entry scaled by same factor
Each element of AAA multiplied by λ\lambdaλ
Equal - scalar multiplication is associative
Can be done before or after, result same
(λA)×B=A×(λB)(\lambda A) \times B = A \times (\lambda B)(λA)×B=A×(λB)
Forgetting to apply scalar to all elements
No effect - size unchanged
Inner dimensions must match
Scalar distribution with matrix multiplication
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