Question: For the coordinate transformation (12.1) and (12.2), develop the second-order finite difference approximations of (u_{y}, u_{x x}), and (u_{x y}) at (left(xi_{i}, eta_{j} ight)). Apply
For the coordinate transformation (12.1) and (12.2), develop the second-order finite difference approximations of \(u_{y}, u_{x x}\), and \(u_{x y}\) at \(\left(\xi_{i}, \eta_{j}\right)\). Apply central differences for discretization of derivatives with respect to \(\xi\) and \(\eta\).
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