gets rid of the underlying matrix so that garbage collector can do its work . concode_field_sep int[][] matrix concode_field_sep void set concode_elem_sep void incrementByMaxPath concode_elem_sep boolean isGreaterY concode_elem_sep boolean isGreaterX concode_elem_sep boolean isSameXY concode_elem_sep int get concode_elem_sep void setup concode_elem_sep void incrementPathBy
void function ( ) { this . matrix = null ; }