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Unformatted text preview: are unit vectors in the x, y and z directions ̂ If you multiply a scalar by a unit vector you get a vector in the same direction as the unit vector, with the magnitude of the scalar. ̂
̂ Vectors add to a vector ̂ ̂ Dot product is a scalar ∙
cos Cross product is a vector ̂
sin ̂ ̂ is a unit vector normal to both and . Gradient operator, operates on a scalar, is a vector ̂
̂ Is a vector spatial rate of change in a scalar. Result points in direction of highest slope. Divergence of a vector is a scalar 1
∙ For velocity, the...
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- Fall '10