4. Appendix A: Tensor nature of quantities and applications
4.1 Nature and classification of physical quantities
4.1.1 Dimensional and tensorial nature
Two independent systems can be used to classify good physical quantities with reference to either their dimensional or tensorial nature. Just because the latter is (wrongly) less widely taught than the former, doesn't mean that it should be overlooked as being very complicated.
The dimensional nature of a quantity is well known. To demonstrate this, we consider the quantities chosen as fundamental (e.g.: length,...
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Appendix A: Tensor nature of quantities and applications
Appendix B: differential operators
References
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