public double oneNorm(){
        	double norm = 0.0D;
        	double sum = 0.0D;
        	for(int i=0; i<this.numberOfRows; i++){
            		sum=0.0D;
            		for(int j=0; j<this.numberOfColumns; j++){
                		sum+=Math.abs(this.matrix[i][j]);
            		}
            		norm=Math.max(norm,sum);
        	}
        	return norm;
    	}