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Questions tagged [weighted-least-squares]

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Understanding Galerkin method of weighted residuals

I have a puzzlement regarding the Galerkin method of weighted residuals. The following is taken from the book A Finite Element Primer for Beginners, from chapter 1.1. If I have a one dimensional ...
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How to apply weightings to least squares slope formula

Im using this formula to find the slope of the regression line of given $x,y$ samples using LS calculation : $a=\frac{(n\sum xy-\sum x\sum y)}{(n\sum x^2-(\sum x)^2)}$ How do i change it to apply ...