ND

ND[f, x, ] gives a numerical approximation to evaluated at the point .

ND[f, {x, n}, ] gives the derivative.

You should realize that with sufficiently pathological examples, the algorithms used for ND can give wrong answers.

See also: D, SolveODE.

Examples

Using InstantCalculators

Here are the InstantCalculators for the ND function. Enter the parameters for your calculation and click Calculate to see the result.

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Entering Commands Directly

You can paste a template for this command via the Text Input button on the ND Function Controller.

Here is a numerical approximation of the derivative of at x = 2.

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Here is a numerical approximation of the second derivative of at x = 2.

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