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covariant index |
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covariant index [kō′ver·ē·ənt ′in‚deks] (mathematics) A tensor index such that, under a transformation of coordinates, the procedure for obtaining a component of the transformed tensor for which this index has valuepinvolves taking a sum overqof the product of a component of the original tensor for which the index has the valueqtimes the partial derivative of theqth original coordinate with respect to thepth transformed coordinate; it is written as a subscript. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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