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-rw-r--r--lib/similarity.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/similarity.rb b/lib/similarity.rb
index f25d4c3..00179c1 100644
--- a/lib/similarity.rb
+++ b/lib/similarity.rb
@@ -38,7 +38,7 @@ module OpenTox
magnitude_a += w[i].abs*a[i]**2
magnitude_b += w[i].abs*b[i]**2
end
- dot_product/Math.sqrt(magnitude_a*magnitude_b)
+ dot_product/(Math.sqrt(magnitude_a)*Math.sqrt(magnitude_b))
end
end