assertEquals(3.0, a.get(1, 0));
// Verify that access to the array elemts via the Array1D interface
// works as expected
for (int i = 0; i < a.numRows(); i++) {
for (int j = 0; j < a.numColumns(i); j++) {
assertEquals(a.get(i, j), a.getRow(i).get(j));
}
}
}