method

cross_product

v2_1_10 - Show latest stable - Class: Vector

cross_product(v)

public

Returns the cross product of this vector with the other.

Vector[1, 0, 0].cross_product Vector[0, 1, 0]   => Vector[0, 0, 1]

# File lib/matrix.rb, line 1764
  def cross_product(v)
    Vector.Raise ErrDimensionMismatch unless size == v.size && v.size == 3
    Vector[ v[2]*@elements[1] - v[1]*@elements[2],
            v[0]*@elements[2] - v[2]*@elements[0],
            v[1]*@elements[0] - v[0]*@elements[1] ]
  end

cross_product

Related methods