11 lines
226 B
Raku
11 lines
226 B
Raku
sub nth-root ($n, $A, $p=1e-9)
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{
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my $x0 = $A / $n;
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loop {
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my $x1 = (($n-1) * $x0 + $A / ($x0 ** ($n-1))) / $n;
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return $x1 if abs($x1-$x0) < abs($x0 * $p);
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$x0 = $x1;
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}
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}
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say nth-root(3,8);
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