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GeezerVison is showing mathworld.wolfram.com — Scalar Multiplication -- from Wolfram MathWorld

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Scalar Multiplication

ScalarMultiplication

Scalar multiplication refers to the multiplication of a vector by a constant s, producing a vector in the same (for s>0) or opposite (for s<0) direction but of different length. Scalar multiplication is indicated in the Wolfram Language by placing a scalar next to a vector (with or without an optional asterisk), s{a1, a2, ..., an}.

See also

Multiplication, Vector, Vector Addition, Vector Multiplication

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Cite this as:

Weisstein, Eric W. "Scalar Multiplication." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/ScalarMultiplication.html

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