Last Updated:2025/11/26

In linear algebra, scalar multiplication of a vector by a scalar changes its magnitude without altering its direction unless the scalar is negative.

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In linear algebra, scalar multiplication of a vector by a scalar changes its magnitude without altering its direction unless the scalar is negative.

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線形代数では、ベクトルをスカラーで掛ける(スカラー倍)ことで大きさが変わり、スカラーが負の場合を除いて向きは変わりません。

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