final Array rhs = new Array(3);
rhs.set(0, 7);
rhs.set(1, 8);
rhs.set(2, 7);
final Array solved = t.solveFor(rhs);
final Array expected = new Array(new double[] { 20.0, -33.285714285714285, 13.428571428571429 });
for (int i=0; i<3; i++) {
final double error = Math.abs(solved.get(i) - expected.get(i));
if (error > 1e-15) {