Coordinates of a Point Relative to a Basis in 2D
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A basis ?={u,v} for ?^2 is shown along with a point (a,b)_?=a u+b v. Changing the coordinates a and b shows how the point moves along a u-v grid rather than an x-y grid. Changing the basis vectors u and v shows how the u-v coordinate grid and the point ...
Contributed by: Eric Schulz
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