| 21. | See spherical coordinates and cylindrical coordinates.
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| 22. | The above is found by computing the following double integral using the unit surface element in spherical coordinates:
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| 23. | In polar coordinates, Laplace's equation is ( see Del in cylindrical and spherical coordinates ):
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| 24. | I was mucking around with spherical coordinates, but it seems this would be the better approach ).
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| 25. | Let ?, ?, and ? be spherical coordinates for the source point " P ".
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| 26. | The current produces a voltage across a shunt resistance, which is resolved to spherical coordinates by a microprocessor.
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| 27. | It is convenient to use spherical coordinates, and the wavefunction can be separated into functions of each coordinate,
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| 28. | Curvilinear coordinate systems, such as cylindrical or spherical coordinates, are often used in physical and geometric problems.
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| 29. | Within a spherically symmetric mass distribution, it is possible to solve Poisson's equation in spherical coordinates.
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| 30. | :In spherical coordinate systems mathematicians traditionally use & theta; for elevation and & phi; for azimuth.
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