method

magnitude

v1_9_3_392 - Show latest stable - 0 notes - Class: Vector

magnitude() public

Returns the modulus (Pythagorean distance) of the vector.

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

Show source

# File lib/matrix.rb, line 1770
  def magnitude
    Math.sqrt(@elements.inject(0) {|v, e| v + e*e})
  end