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Results tagged with linear-algebra
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user 7466
Questions about the properties of vector spaces and linear transformations, including linear systems in general.
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The lie algebra of the orthogonal group of an arbitrary space time metric
Let X ad Y be two vectors in R4, and define the inner product of X and Y as:
(X*Y) = gikXiYk (summation convention for repeated indicies)
Then we consider the 4x4 matrix g whose components are gik. …
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