(New page: Two vectors u and v are orthogonal if <math>u*v=0</math>, where u*v denotes the inner product of the two vectors. They are orthonormal if they both are also unit vectors (<math>u*u=1</...) |
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Revision as of 14:29, 18 January 2009
Two vectors u and v are orthogonal if $ u*v=0 $, where u*v denotes the inner product of the two vectors. They are orthonormal if they both are also unit vectors ($ u*u=1 $ and $ v*v=1 $)
Note that the zero vector is orthogonal to every vector.