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How many random numbers do you need {drivel} {drone}

Not many. My first guess:

$x = 1.000000001; say abs($x**1e8);; 1.10517092716461 $x = 1.000000001; say abs($x**(1e8+1));; 1.10517092826979

You seem to have missed: "semi-random range" & "well-chosen set of inputs". Inspecting a string for exponentiation by big constants is trivial.

if you consider replying that you limit the range as soon that one function returns inf think about functions with multiple separated intervals ...

Vary them one at a time...

I'd rather avoid ...

You are quite welcome to do things the hard way; it seems to suite.

The OP asked for ideas.


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In reply to Re^3: List all different equations for a given one by BrowserUk
in thread List all different equations for a given one by jess195

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