Created
November 15, 2011 20:55
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Harmonic Mean
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| def har_mean(a) | |
| a.size / a.map{|v| 1/v.to_f}.reduce(:+) | |
| end | |
| puts har_mean([6,9,12]) |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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| (defn har-mean [x] | |
| (/ (count x) (reduce + (map #(/ 1 %1) x)))) | |
| (har-mean [6 9 12]) |
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