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comment What is the procedure (matrix) for change of basis to go from Cartesian to polar coordinates and vice versa?
I understand that it isn't defined at the origin. However, a displacement vector $A$ that starts at the origin only has a radial component, when we consider it in polar coordinates.
Dec
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comment What is the procedure (matrix) for change of basis to go from Cartesian to polar coordinates and vice versa?
I don't understand the $A_\theta\hat{\theta}$ term. Shouldn't it vanish? After all, a vector starting from the origin only has magnitude in the radial direction, right?
Dec
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asked What is the procedure (matrix) for change of basis to go from Cartesian to polar coordinates and vice versa?