Hey. So in my Computer Methods class we have to determine a least squares quadratic fit from given data points. I basically just followed an example he had in the book. I can get the right answers by hand but for some reason my mathcad values aren't evaluating correctly. The f(xi) values are supposed to be very similar if not the same as the yi values. That way the regression line fits with the yi plotted values. Someone please help? Thanks.
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