Vector_Function

vector_function.rb

#Licence:NYSL
#http://www.kmonos.net/nysl/
#
class Matrix
  def []=(i,j,x)
    @rows[i][j]=x
  end
end

class Vector
  #Vector#normalize
  def normalize
    self/(self.r)
  end

  #test code
  # v=Vector[1,2,3]
  # p v
  # p v.r
  # p v.normalize
  # p v.normalize.r #=> 1.0

  #Vector#normalize!
  def normalize!
    self.replace(self.normalize)
  end
  
  #test code
  # v=Vector[1,2,3]
  # p v.normalize!
  # p v.r #=> 1.0
  
  #Vector#outer_product
  def outer_product(other)
    rtn=Matrix.[]
    self.size.times{|i|
      other.size.times{|j|
        rtn[i,j]=self[i]*other[j]
      }
    }
    return  rtn
  end
  #test code
  #(not yet)

  #Vector#exterior_product
  def exterior_product(other)
      self.outer_product(other)-other.outer_product(self)
  end
  #test code
  #(not yet)

  
end