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Unit vector  

Unit vector   - These kinds of vectors...

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Unit vector - A vector whose length is one. The unit vectors which point in the x -, y -, and z -directions in typical 3-dimensional space are usually denoted by i , j , and k , respectively. Vector - A two-dimensional vector is an ordered pair (a, b) of numbers; a three-dimensional vector is an ordered triplet (a, b, c) . In other words, points in the plane or in three-dimensional space are vectors.
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Unformatted text preview: These kinds of vectors can also be described as having direction and magnitude: 5 miles to the east represents a vector. Vector Space - A set that is closed under addition and scalar multiplication. Examples of vector spaces include the Euclidean plane R 2 and ordinary three- dimensional space R 3 ....
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