@Test
public void testDenseMatrixWritable() throws Exception {

  Matrix m = new DenseMatrix(5,5);
  m.set(1, 2, 3.0);
  m.set(3, 4, 5.0);
  Map<String, Integer> bindings = new HashMap<>();
  bindings.put("A", 0);
  bindings.put("B", 1);
  bindings.put("C", 2);
  bindings.put("D", 3);
  bindings.put("default", 4);
  m.setRowLabelBindings(bindings);
  m.setColumnLabelBindings(bindings);
  doTestMatrixWritableEquals(m);
}