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02.03.1 Chapter 02.03 Differentiation of Discrete Functions  After reading this chapter, you should be able to: 1.  find approximate values of the first derivative of functions that are given at discrete data points, and  2. use Lagrange polynomial interpolation to find derivatives of discrete functions. To find the derivatives of functions that are given at discrete points, several methods are available. Although these methods are mainly used when the data i s spaced unequally, they can be used for data that is spaced equally as well. Forward Difference Approximation of the First Derivative We know  x  x  f  x  x  f  x  f  x 0 lim For a finite  x ,  x  x  f  x  x  f  x  f   

Mws Gen Dif Txt Discrete

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