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Vectors: magnitude, direction and products

Add, subtract and scale vectors · Diagrams

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Subtraction and signed scalar multiplication

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The source subtraction reverses b and adds −b to a, giving a−b. Positive scalar multiplication keeps direction, negative scaling reverses it; zero scaling gives zero. Length illustrations are schematic.
The source subtraction reverses b and adds −b to a, giving a−b. Positive scalar multiplication keeps direction, negative scaling reverses it; zero scaling gives zero. Length illustrations are schematic.
The source subtraction reverses b and adds −b to a, giving a−b. Positive scalar multiplication keeps direction, negative scaling reverses it; zero scaling gives zero. Length illustrations are schematic.
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