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sqrt

sqrt(z)

Class Public methods

Returns the non-negative square root of Complex.

sqrt(-1)            #=> 0+1.0i
sqrt(Complex(-1,0)) #=> 0.0+1.0i
sqrt(Complex(0,8))  #=> 2.0+2.0i

Links:

https://github.com/ruby/ruby/blob/f0fa1d7a5a650206daac14f2093fd248d4267f9d/lib/cmath.rb#L124

doc_ruby_on_rails

2015-04-01 10:30:54

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