rows(rows, copy = true)
  public
  
    
    
Creates a matrix where rows
is an array of arrays, each of which is a row to the matrix. If the optional argument
copy is false, use the given arrays as the internal structure of
the matrix without copying.
  Matrix.rows([[25, 93], [-1, 66]])
     =>  25 93
         -1 66
   
  
    Show source    
    
      
  def Matrix.rows(rows, copy = true)
    new(:init_rows, rows, copy)
  end