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Re^3: Exponential Function Programming

by okram (Monk)
on Nov 22, 2007 at 16:03 UTC ( #652405=note: print w/replies, xml ) Need Help??

in reply to Re^2: Exponential Function Programming
in thread Exponential Function Programming

x to the power of n is done via: $x ** $n or
sub x_power_n { my $x = shift; my $n = shift; my $result = $x; my $i = 1; while ($i < $n) { $result *= $x; $i++; } return $result; }
You need to do this, though, "infinite" times, reason why I provided a parameter to "stop" after a certain time.

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Re^4: Exponential Function Programming
by ikegami (Patriarch) on Nov 22, 2007 at 19:38 UTC

    That only works for integer exponents. The equation in the OP handles real numbers.

    Using exp and ln, it's possible to find any exponent.

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