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January 27, 2015

January 27, 2015

Posted by **Anna** on Friday, October 1, 2010 at 12:42am.

f′(−3) ≈

- math -
**MathMate**, Friday, October 1, 2010 at 12:06pmIt is an estimation. You can use the first order approximations such as

f'(x) = (f(x+δ)-f(x))/δ

or a symmetrical formula, such as

(f(x+δ)-f(x-δ)/(2*δ)

δ can be a small number such as 0.1, 0.01,0.001,etc.

- math -
**abd**, Monday, February 14, 2011 at 1:27amadasda

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