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HP35s and numerical differentiation
10-05-2014, 10:58 AM
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HP35s and numerical differentiation
What would be the simplest way of estimating a slope of tangent to function/expression (say, already stored in equation library) for a specified variable at a specified point?

I imagine I could write a programme that would use, say, two-point secant formula (or some higher precision formulas), but how would I parse a function from an equation library to it? Is there a simpler way?
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HP35s and numerical differentiation - mcjtom - 10-05-2014 10:58 AM



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