10b) Taylor Series in higher dimensions

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Here I show how the Taylor series in n-dimensions can be written in terms of the gradient operator.

-- Review of Taylor Series in one dimension (0:00)
-- Derivation of the Taylor Series in n dimensions (1:02)
-- Taylor series in terms of coordinates in 2 dimensions (7:18)
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How to get a Taylor series involving an Operator i.e. A "hat" for example? I see this when an exponential involves an operator; exp[-i(H/h)t] as in the time evolution of the Hamiltonian.

pt-au-hg
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Thank you for making this video. I watched some other videos that explain it in different ways with different notations. I was incredibly confused and thought there could be taylor series of higher dimention that calculuate a surface or a space diretly without preparing only a singgle diretion at a time.

zhongyuanchen
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Did you forget to put the last one over 2 factorial?

zhongyuanchen
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This video seems to have been stolen by some weird bot channel SciTech guru
I found it there figured it wasn't theirs given the rest of the content and then searched for this one
You may wanna give it a look

bebarshossny