Maximum Error Estimate

Rarely Tested

Maximum Error Estimate

If:

$$|f''(x)|\leq M$$

on the interval containing $$a$$ and $$x$$, then the linear approximation error satisfies:

$$|E(x)|\leq\frac{M}{2}|x-a|^2$$

Usage

- Used to obtain an upper bound for the error in linear approximation.

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