question: @ SuppressWarnings ( "deprecation" ) public Object readMatrixOld ( Element node ) throws Exception { weka . core . Matrix matrix ; weka . core . matrix . Matrix matrixNew ; if ( DEBUG ) { trace ( new Throwable ( ) , node . getAttribute ( ATT_NAME ) ) ; } m_CurrentNode = node ; matrixNew = ( weka . core . matrix . Matrix ) readMatrix ( node ) ; matrix = new weka . core . Matrix ( matrixNew . getArrayCopy ( ) ) ; return matrix ; }
target:  builds the Matrix (old) from the given DOM node.