I am aware that a vector is a first-order tensor, and that a second-order tensor has nine components in three-space, but can someone tell me more about the directional quantities that are associated with these nine components? Are they still unit vectors? Can a second order tensor be written as a linear combination of its components and these directional quantities? Is it true that the product of a second-order tensor and a vector is a vector? If so, then why?(adsbygoogle = window.adsbygoogle || []).push({});

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# Need a bit more information about second-order tensors

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