finite difference from taylor series

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use taylor series to derive finite difference approximations of the first derivative
  1. Larry Murdoch
  2. finite difference
  3. approximation
  4. taylor series
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Комментарии
Автор

Thanks to Hayder Alatabi for pointing out a sign error around 9:13. The backwards finite difference approximation should be [f(a)-f(a-del_x)]/del_x. I switched the first - to a +. Don't make the same mistake!

lcmurd
Автор

Thank you for this nice video. I think in the backward (at 9:13) it should be [f(a)-f(a-deltaX)]/deltaX

hayderal-atabi
Автор

you deleted a 2 in the denominator and then didn't add it back in when you were correcting the legibility of the equation? Was that on purpose?

robertgallacher