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Vector

Definition: A quantity that has both magnitude and direction. Examples of vectors include velocity, force, magnetic flux density, etc. A vector needs three numbers (called components) to be defined, each number representing its magnitude in one of three mutually perpendicular directions. Two vectors are added by adding the corresponding components and may be multiplied to give either a scalar quantity or another vector. *NoteVectors are not limited to having only three components. Vectors can have one or more components. When it has 3 components, it is defined in 3dimensional space.
Source: The Macmillan Encyclopedia. Basingstoke: Macmillan Publishers Ltd, 2003. Credo Reference. Web. 08 August 2012.

Listed under: Geometry, Linear Algebra, Vector Terminology
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