Finite difference

In mathematics, a finite difference is like a differential quotient, except that it uses finite quantities instead of infinitesimal ones.

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The derivative of a function f at a point x is defined by the limit

Related Topics:
Derivative - Limit

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: lim_{h o0} rac{f(x+h) - f(x)}{h}.

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If h has a fixed (non-zero) value, instead of approaching zero, this quotient is called a finite difference.

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