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coordinate system |
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coordinate systemArrangement of reference lines or curves used to identify the location of points in space. In two dimensions, the most common system is the Cartesian (after René Descartes) system. Points are designated by their distance along a horizontal (x) and vertical (y) axis from a reference point, the origin, designated (0, 0). Cartesian coordinates also can be used for three (or more) dimensions. A polar coordinate system locates a point by its direction relative to a reference direction and its distance from a given point, also the origin. Such a system is used in radar or sonar tracking and is the basis of bearing-and-range navigation systems. In three dimensions, it leads to cylindrical and spherical coordinates. |
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An effective gravitational interaction in presence of an additional Yukawa-type force is parametrized as: In an attempt to quantify the changes in across-subject averaged EMG profiles with changing stepping frequencies, the similarity of the EMG profiles for 78 and 120 steps/min was parametrized with their correlation (r) values. More data analysis capabilities - get the most value from data with added analytics, including the new Quick Transforms feature for mathematical data transformations without programming, the improved Function Plotter to plot user-defined and parametrized equations and new robust smoothing routines for 2D and 3D data. |
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