I would like to get some theoretical explanation on first order taylor expansion and second order taylor expansion in functions with more than one unknown. Why do we use it for multivariate analysis? I know that taylor expansion is used for estimation of a function. I know the steps of taylor expansion in multivariate analysis but never understand the reason behind it.
2026-04-23 06:14:16.1776924856
Taylor Expansion Multivariate analysis
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