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log

Math.log(numeric) â float
Math.log(num,base) â float

Class Public methods

Returns the natural logarithm of numeric. If additional second argument is given, it will be the base of logarithm.

Math.log(1)          #=> 0.0
Math.log(Math::E)    #=> 1.0
Math.log(Math::E**3) #=> 3.0
Math.log(12,3)       #=> 2.2618595071429146

doc_ruby_on_rails

2015-04-18 02:21:04

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