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2D Geometry Points, Distances, and Directions
2D Geometry Points, Distances, and Directions

... Rotations are another fundamental concept of 2D computational geometry. The good news is that only one rotation, the left rotation by 90 degrees, needs to be used very often. Nevertheless, understanding rotations is the easy way to understand other concepts such as the scalar product of vectors defin ...
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Tensors in curvilinear coordinates

Curvilinear coordinates can be formulated in tensor calculus, with important applications in physics and engineering, particularly for describing transportation of physical quantities and deformation of matter in fluid mechanics and continuum mechanics.
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