def test_include_inequality(self): aop = AbstractOptimizationProblem() x = aop.create_variable('x', 2) g = x[0] - x[1] aop.include_inequality(g) self.assertTrue(is_equal(aop.g, g)) self.assertTrue(is_equal(aop.g_lb, -inf)) self.assertTrue(is_equal(aop.g_ub, inf))
def test_include_inequality_scalar_bound(self): lb = 1 ub = 4 aop = AbstractOptimizationProblem() x = aop.create_variable('x', 2) g = 2 * x aop.include_inequality(g, lb=lb, ub=ub) self.assertTrue(is_equal(aop.g_lb, repmat(lb, 2))) self.assertTrue(is_equal(aop.g_ub, repmat(ub, 2)))
def test_include_inequality_w_external_variable_in_expr(self): theta = MX.sym('theta') aop = AbstractOptimizationProblem() x = aop.create_variable('x', 2) g = theta * x[0] - x[1] aop.include_inequality(g) self.assertTrue(is_equal(aop.g, g)) self.assertTrue(is_equal(aop.g_lb, -inf)) self.assertTrue(is_equal(aop.g_ub, inf))
def test_include_inequality_with_bounds(self): lb = 2 ub = 3 aop = AbstractOptimizationProblem() x = aop.create_variable('x', 2) g = x[0] - x[1] aop.include_inequality(g, lb=lb, ub=ub) self.assertTrue(is_equal(aop.g, g)) self.assertTrue(is_equal(aop.g_lb, lb)) self.assertTrue(is_equal(aop.g_ub, ub))
def test_include_inequality_w_external_variable_in_bound(self): theta = MX.sym('theta') lb = -theta ub = theta aop = AbstractOptimizationProblem() x = aop.create_variable('x', 2) g = x[0] - x[1] aop.include_inequality(g, lb=lb, ub=ub) self.assertTrue(is_equal(aop.g, g)) self.assertTrue(is_equal(aop.g_lb, lb)) self.assertTrue(is_equal(aop.g_ub, ub))
def test_get_problem_dict(self): aop = AbstractOptimizationProblem() x = aop.create_variable('x', 3) p = aop.create_parameter('p', 3) f = sum([x[i]**2 for i in range(x.numel())]) g = x[0] - x[1] + 2 * x[2] aop.set_objective(f) aop.include_inequality(g, lb=-10, ub=20) d_res = {'x': x, 'p': p, 'f': f, 'g': g} d = aop.get_problem_dict() for key in set(d_res.keys()).union(set(d.keys())): self.assertTrue(is_equal(d_res[key], d[key]))
def test_get_default_call_dict(self): aop = AbstractOptimizationProblem() lbx = -DM([2, 3, 10]) ubx = DM([2, 3, 10]) x = aop.create_variable('x', 3, lb=lbx, ub=ubx) p = aop.create_parameter('p', 3) f = sum([x[i]**2 for i in range(x.numel())]) g = x[0] - x[1] + 2 * x[2] aop.set_objective(f) aop.include_inequality(g, lb=-10, ub=20) expected = {'lbx': lbx, 'ubx': ubx, 'lbg': DM(-10), 'ubg': DM(20)} d = aop.get_default_call_dict() for key in set(expected.keys()).union(set(d.keys())): self.assertTrue(is_equal(expected[key], d[key]))