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Simtel MSDOS - Coast to Coast
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F'(X).KEY
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1993-11-07
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348b
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* f'(x) external
f'(x) differentiates f(x) with respect to x. f'(x)=d(f(x),x). f'(x0) is
diferent from diff(f(x), x=x0): f'(x0) first evaluates f(x0), then
differentiates the value of f(x0); diff(f(x), x=x0) first differentates
f(x), then replace x = x0.
See also: d.
e.g. sin'(x) gives cos(x).