http://demonstrations.wolfram.com/ChangeOfBasisIn2D/
The Wolfram Demonstrations Project contains thousands of free interactive visualizations, with new entries added daily.
Given a point P in the plane you can see its coordinates (x1, x2) with respect to the standard basis (e^1, e^2), or compute its coordinates (z1, z2) with respect to a different basis (v^1, v^2). The signed area of the parallelogram determined by this ba...
Contributed by: Adriano Pascoletti
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gorgolyt 1 year ago