Cylindrical Coordinates

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Discussion in 'Math' started by emt, Oct 31, 2015.

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  1. Oct 31, 2015 #1
    emt

    Thread Starter New Member

    Oct 27, 2015
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    Cylindrical Coordinates

    * why is there ρ in graph (from where came)?

    *what is difference between "ρ0" and "ρ" ?

    aaaa.PNG
     
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  2. Oct 31, 2015 #2
    Papabravo

    Expert

    Feb 24, 2006
    11,760
    2,487
    ρ is the radial coordinate. ρ0 is a particular constant value of the radial coordinate at which a differential length or differential area is computed.

    \rho=\sqrt{x^2 + y^2}

    As shown in the diagram the cylindrical coordinates are ρ, φ, and z
     
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