ass="computeroutput"><span class="identifier">cylindrical</span></code> is likewise a simple transposition
        of the usual cylindrical coordinates in <span class="emphasis"><em><span class="bold"><strong>R<sup>3</sup></strong></span></em></span>,
        which in turn is another derivative of planar polar coordinates. The first
        two inputs are the polar coordinates of the first <span class="emphasis"><em><span class="bold"><strong>C</strong></span></em></span>
        component of the quaternion