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You're basiscally correct; a better estimation of f'(x), given<br />
f(x) (in any form), is<br />
<br />
&nbsp; &nbsp;(f(x+h)-f(x-h))/(2h)<br />
<br />
kind regards,<br />
<br />
Jos<br />

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You're basiscally correct; a better estimation of f'(x), given
f(x) (in any form), is

   (f(x+h)-f(x-h))/(2h)

kind regards,

Jos


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<div class="content wysiwyg-content">
I am looking for an algorithm to calculate the derivative of functions like i=f(v). Do you know if this is somewhere publicly awailable? 
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I am looking for an algorithm to calculate the derivative of functions like i=f(v). Do you know if this is somewhere publicly awailable? 

algorithm to calculate the derivative

C is a general-purpose, imperative computer programming language, supporting structured programming, lexical variable scope and recursion, while a static type system prevents many unintended operations. By design, C provides constructs that map efficiently to typical machine instructions, so it has found lasting use in applications that had formerly been coded in assembly language, including operating systems as well as various application software for computers ranging from supercomputers to embedded systems. It is distinct from C++ (which has its roots in C) and C#, and many later languages have borrowed directly or indirectly from C.