public void setRow(int index, Vector vector) { validateColumnIndex(index); if (isInsideRow(vector.getSize())) { for (int i = 0; i < rows.length; ++i) { Vector tmp = new Vector(rows[i]); this.rows[i] = new Vector(vector.getSize()); this.rows[i].sum(tmp); } } for (int i = 0; i < vector.getLength(); ++i) { rows[index].setValue(i, vector.getValue(i)); } }