method

r

v1_8_7_330 - Show latest stable - 0 notes - Class: Vector

r() public

Returns the modulus (Pythagorean distance) of the vector.

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

Show source

# File lib/matrix.rb, line 1219
  def r
    v = 0
    for e in @elements
      v += e*e
    end
    return Math.sqrt(v)
  end