def test_supersimplex_methods(self):
result = opt.minimize(self.f,
self.x0,
"supersimplex",
maxiter=10,
tol=1e-2,
inner_tol=1e-8,
min_inner_maxiter=100,
max_inner_maxiter=10000)
self.assertArraysAlmostEqual(result.x, self.answer)
def test_minimize_evolutionary(self):
result = opt.minimize(self.f, self.x0, "evolve", maxiter=20)
self.assertLess(np.linalg.norm(result.x - self.answer), 0.1)
def test_minimize_brute_force(self):
result = opt.minimize(self.f, self.x0, "brute", maxiter=10)
self.assertArraysAlmostEqual(result.x, self.answer)
def test_minimize_swarm(self):
result = opt.minimize(self.f, self.x0, "swarm", maxiter=30)
self.assertArraysAlmostEqual(result.x, self.answer)
def test_minimize_methods(self):
for method in ("simplex", "customcg", "basinhopping", "CG", "BFGS",
"L-BFGS-B"): # "homebrew"
print("Method = ", method)
result = opt.minimize(self.f, self.x0, method, maxiter=1000)
self.assertArraysAlmostEqual(result.x, self.answer)