original_string: public function getU()
      {
          return new Matrix($this->U, $this->m, min($this->m + 1, $this->n));
      }
code: public function getU()
      {
          return new Matrix($this->U, $this->m, min($this->m + 1, $this->n));
      }
code_tokens: public function getU ( ) { return new Matrix ( $ this -> U , $ this -> m , min ( $ this -> m + 1 , $ this -> n ) ) ; }
docstring: Return the left singular vectors
  
  @access public
  @return U
docstring_tokens: Return the left singular vectors