@Test
public void asFloatMatrixColArgs() {

  double[] array1 = {0, 1, 1};
  double[] array2 = {0, 1, 2};
  double[] array3 = {0, 1, 3};
  DoubleColumn c1 = DoubleColumn.create("1", array1);
  DoubleColumn c2 = DoubleColumn.create("2", array2);
  DoubleColumn c3 = DoubleColumn.create("3", array3);
  Table table = Table.create("test", c1, c2, c3);
  float[][] expected = {{0.0f, 0.0f}, {1.0f, 1.0f}, {1.0f, 3.0f}};
  float[][] results = table.as().floatMatrix("1", "3");
  assertTrue(Arrays.deepEquals(expected, results));
}