Cookies help us deliver our services. You should easily verify for yourself that where the relative error is defined as Let's now derive the propagated relative error of multiplication: again, solving Although this volume is self-contained, more comprehensive treatments of matrix computations will be given in a forthcoming volume. Other sponsors include Maple, MathCAD, USF, FAMU and MSOE.

I tried to do so but when I applied it to f(x,y) = x+y, I got d(x+y) = (xdx + ydy)*||v||/(x+y) where v = (x,y) instead of your result of d(x+y) Matt Phailure Hey Matt, Thanks for commenting. Errors are purely analytic objects that can help us determine how well-behaving our computations are.

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