method

magnitude

v2_2_9 - Show latest stable - Class: Vector

magnitude()

public

Returns the modulus (Pythagorean distance) of the vector.

Vector[5,8,2].r => 9.643650761

# File lib/matrix.rb, line 2051
  def magnitude
    Math.sqrt(@elements.inject(0) {|v, e| v + e.abs2})
  end