Numerical Differentiation - University of Utah
my.mech.utah.edu › ~pardyjak › me2040Differentiation Example Suppose we use the Forward Differencing to differentiate: at x = 1 using h = 0.5 Single Application of the forward difference method: Now using the Forwdard Diff. and applying Richardson Extrapolation with 2 step sizes h=1 and h=0.5: Exact: -0.7358 Relative Errors: A(h) ~ 52% A(h/2) ~ 29% Richardson Extrapolation = 5% f (x) =e−x2
Chapter 9: Numerical Differentiation - Purdue University
www.cs.purdue.edu › homes › enhChapter 9: Numerical Differentiation Numerical Differentiation Formulation of equations for physical problems often involve derivatives (rate-of-change quantities, such as v elocity and acceleration). Numerical solution of such problems involves numerical evaluation of the derivatives. One method for numerically evaluating derivatives is to use Finite DIfferences: