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How to calculate the Norm of a vector in xAct
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Ji Zhang
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Oct 13, 2016, 11:48:00 AM
10/13/16
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to xAct Tensor Computer Algebra
dear all,
If I define a vector like this, how to calculate the Norm, and the gradient?
<< xAct`xTensor`;
DefManifold[M, 3, {a, b, c, d, e, f, g, h, i, j, k, l}];
DefTensor[X[a], M];
Thanks.
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