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rated 0 times [ 20] [ 1] / answers: 1 / hits: 15350 / 13 Years ago, sun, june 19, 2011, 12:00:00

I am desperately looking for a JavaScript that can calculate the first derivative of a function. The function always includes only one variable, x.

e.g. f(x) = x²

  f'(3) = 2x

Consequently, the script should deliver the result 6, since 2*3 = 6.

I hope you know what I mean.

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answered 13 Years ago gordonrockym · Accepted Answer

Here's a Java library to help do such a thing:

And another:

You can always use Rhino and import Java classes to use in your JavaScript.

Here's one for JavaScript: