🎬a non-orthogonal coordinate system dynamically calculating and displaying the metric tensor and its
The metric tensor is a matrix that defines distances in a coordinate system, with non-zero off-diagonal elements indicating non-perpendicular axes in a non-orthogonal system, like our skewed grid example, while its components can also vary with position, as seen with the term in polar coordinates, and its inverse is crucial for raising/lowering indices but requires a more complex calculation than simple reciprocals, contrasting sharply with the identity matrix of a simple Cartesian system.
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