@Test public void testSet(){
  for (int i=0; i < values.length; i++) {
    final double expected=values[i];
    final RealVector v=create(values);
    v.set(expected);
    for (int j=0; j < values.length; j++) {
      Assert.assertEquals("entry #" + j,expected,v.getEntry(j),0);
    }
  }
}