Horner's rule for polynomial evaluation: Difference between revisions
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Recursive: |
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<syntaxhighlight lang="ruby">func horner(coeff, x) { |
<syntaxhighlight lang="ruby">func horner(coeff, x) { |
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coeff.len > 0 |
(coeff.len > 0) \ |
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? (coeff[0] + x*horner(coeff.last(-1), x)) |
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: 0 |
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} |
} |
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say horner([-19, 7, -4, 6], 3) |
say horner([-19, 7, -4, 6], 3) # => 128</syntaxhighlight> |
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=={{header|Smalltalk}}== |
=={{header|Smalltalk}}== |
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