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ECE 311: Electric and Magnetic FieldsCoordinate Systems
Professor Peter BermelElectrical and Computer Engineering
Purdue University, West Lafayette, IN [email protected]
1/9/2019
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Cartesian coordinate system
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Cylindrical coordinate system
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Examples:• Coaxial cable• Fiber optic line
Range of values different than in Cartesian coordinates
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Spherical coordinate system
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Examples:• Earth• Raindrops
Range of values different than in Cartesian or cylindrical coordinates
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Spherical coordinate system
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Vector algebra: applies equally well as in Cartesian coordinatesExamples: subtraction, dot product, cross product
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Point transformation (Cartesian-
cylindrical-spherical)
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Vector transformation (Cartesian-
cylindrical-spherical)
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