HP35s and numerical differentiation

10052014, 09:39 PM
Post: #4




RE: HP35s and numerical differentiation
(10052014 04:43 PM)Eddie W. Shore Wrote: \[\frac{f(x2h)8f(xh)+8f(x+h)f(x+2h)}{12h}\] This expression can be transformed into: \[\frac{4\frac{f(x+h)f(xh)}{2\cdot h}\frac{f(x+2h)f(x2h)}{2\cdot 2h}}{41}\] Now we can see that this is the 1st step of the Richardson extrapolation for \(\frac{f(x+h)f(xh)}{2\cdot h}\): This can be extended similar to Romberg's method. Cheers Thomas 

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Messages In This Thread 
HP35s and numerical differentiation  mcjtom  10052014, 10:58 AM
RE: HP35s and numerical differentiation  Dieter  10052014, 11:47 AM
RE: HP35s and numerical differentiation  Eddie W. Shore  10052014, 04:43 PM
RE: HP35s and numerical differentiation  Thomas Klemm  10052014 09:39 PM

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