Beispiel #1
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 def test_mc_2d(self):
     m = ConcreteModel()
     m.x = Var(bounds=(pi / 6, pi / 3), initialize=pi / 4)
     m.e = Expression(expr=cos(pow(m.x, 2)) * sin(pow(m.x, -3)))
     mc_ccVals, mc_cvVals, aff_cc, aff_cv = make2dPlot(m.e.expr, 50)
     self.assertAlmostEqual(mc_ccVals[1], 0.6443888590411435)
     self.assertAlmostEqual(mc_cvVals[1], 0.2328315489072924)
     self.assertAlmostEqual(aff_cc[1], 0.9674274332870583)
     self.assertAlmostEqual(aff_cv[1], -1.578938503009686)
Beispiel #2
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 def test_mc_2d(self):
     m = ConcreteModel()
     m.x = Var(bounds=(pi / 6, pi / 3), initialize=pi / 4)
     m.e = Expression(expr=cos(pow(m.x, 2)) * sin(pow(m.x, -3)))
     mc_ccVals, mc_cvVals, aff_cc, aff_cv = make2dPlot(m.e.expr, 50)
     self.assertAlmostEqual(mc_ccVals[1], 0.6443888590411435)
     self.assertAlmostEqual(mc_cvVals[1], 0.2328315489072924)
     self.assertAlmostEqual(aff_cc[1], 0.9674274332870583)
     self.assertAlmostEqual(aff_cv[1], -1.578938503009686)
Beispiel #3
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 def test_trig(self):
     m = ConcreteModel()
     m.x = Var(bounds=(pi / 4, pi / 2), initialize=pi / 4)
     mc_expr = mc(tan(atan((m.x))))
     self.assertAlmostEqual(mc_expr.lower(), pi / 4)
     self.assertAlmostEqual(mc_expr.upper(), pi / 2)
     m.y = Var(bounds=(0, sin(pi / 4)), initialize=0)
     mc_expr = mc(asin((m.y)))
     self.assertEqual(mc_expr.lower(), 0)
     self.assertAlmostEqual(mc_expr.upper(), pi / 4)
     m.z = Var(bounds=(0, cos(pi / 4)), initialize=0)
     mc_expr = mc(acos((m.z)))
     self.assertAlmostEqual(mc_expr.lower(), pi / 4)
     self.assertAlmostEqual(mc_expr.upper(), pi / 2)
Beispiel #4
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 def test_trig(self):
     m = ConcreteModel()
     m.x = Var(bounds=(pi / 4, pi / 2), initialize=pi / 4)
     mc_expr = mc(tan(atan((m.x))))
     self.assertAlmostEqual(mc_expr.lower(), pi / 4)
     self.assertAlmostEqual(mc_expr.upper(), pi / 2)
     m.y = Var(bounds=(0, sin(pi / 4)), initialize=0)
     mc_expr = mc(asin((m.y)))
     self.assertEqual(mc_expr.lower(), 0)
     self.assertAlmostEqual(mc_expr.upper(), pi / 4)
     m.z = Var(bounds=(0, cos(pi / 4)), initialize=0)
     mc_expr = mc(acos((m.z)))
     self.assertAlmostEqual(mc_expr.lower(), pi / 4)
     self.assertAlmostEqual(mc_expr.upper(), pi / 2)
Beispiel #5
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    def test_collect_mutable_parameters(self):
        model = pc.ConcreteModel()
        model.p = pc.Param(mutable=True)
        model.q = pc.Param([1], mutable=True, initialize=1.0)
        model.r = pc.Param(initialize=1.1, mutable=False)
        model.x = pc.Var()
        for obj in [model.p, model.q[1]]:

            result = EmbeddedSP._collect_mutable_parameters(
                obj)
            self.assertTrue(id(obj) in result)
            self.assertEqual(len(result), 1)
            del result

            result = EmbeddedSP._collect_mutable_parameters(
                obj + 1)
            self.assertTrue(id(obj) in result)
            self.assertEqual(len(result), 1)
            del result

            result = EmbeddedSP._collect_mutable_parameters(
                2 * (obj + 1))
            self.assertTrue(id(obj) in result)
            self.assertEqual(len(result), 1)
            del result

            result = EmbeddedSP._collect_mutable_parameters(
                2 * obj)
            self.assertTrue(id(obj) in result)
            self.assertEqual(len(result), 1)
            del result

            result = EmbeddedSP._collect_mutable_parameters(
                2 * obj + 1)
            self.assertTrue(id(obj) in result)
            self.assertEqual(len(result), 1)
            del result

            result = EmbeddedSP._collect_mutable_parameters(
                2 * obj + 1 + model.x)
            self.assertTrue(id(obj) in result)
            self.assertEqual(len(result), 1)
            del result

            result = EmbeddedSP._collect_mutable_parameters(
                obj * model.x)
            self.assertTrue(id(obj) in result)
            self.assertEqual(len(result), 1)
            del result

            result = EmbeddedSP._collect_mutable_parameters(
                model.x / obj)
            self.assertTrue(id(obj) in result)
            self.assertEqual(len(result), 1)
            del result

            result = EmbeddedSP._collect_mutable_parameters(
                model.x / (2 * obj))
            self.assertTrue(id(obj) in result)
            self.assertEqual(len(result), 1)
            del result

            result = EmbeddedSP._collect_mutable_parameters(
                obj * pc.log(2 * model.x))
            self.assertTrue(id(obj) in result)
            self.assertEqual(len(result), 1)
            del result

            result = EmbeddedSP._collect_mutable_parameters(
                obj * pc.sin(model.r) ** model.x)
            self.assertTrue(id(obj) in result)
            self.assertEqual(len(result), 1)
            del result

            result = EmbeddedSP._collect_mutable_parameters(
                model.x**(obj * pc.sin(model.r)))
            self.assertTrue(id(obj) in result)
            self.assertEqual(len(result), 1)
            del result

        result = EmbeddedSP._collect_mutable_parameters(
            1.0)
        self.assertEqual(len(result), 0)
        del result

        result = EmbeddedSP._collect_mutable_parameters(
            model.p + model.q[1] + model.r)
        self.assertTrue(id(model.p) in result)
        self.assertTrue(id(model.q[1]) in result)
        self.assertEqual(len(result), 2)
        del result

        result = EmbeddedSP._collect_mutable_parameters(
            model.p + 1 + model.r + model.q[1])
        self.assertTrue(id(model.p) in result)
        self.assertTrue(id(model.q[1]) in result)
        self.assertEqual(len(result), 2)

        result = EmbeddedSP._collect_mutable_parameters(
            model.q[1] * 2 * (model.p + model.r) + model.r)
        self.assertTrue(id(model.p) in result)
        self.assertTrue(id(model.q[1]) in result)
        self.assertEqual(len(result), 2)
        del result

        result = EmbeddedSP._collect_mutable_parameters(
            2 * model.x * model.p * model.q[1] * model.r)
        self.assertTrue(id(model.p) in result)
        self.assertTrue(id(model.q[1]) in result)
        self.assertEqual(len(result), 2)
        del result

        result = EmbeddedSP._collect_mutable_parameters(
            2 * obj * model.q[1] * model.r + 1)
        self.assertTrue(id(model.q[1]) in result)
        self.assertEqual(len(result), 1)
        del result

        result = EmbeddedSP._collect_mutable_parameters(
            2 * model.q[1] + 1 + model.x - model.p)
        self.assertTrue(id(model.p) in result)
        self.assertTrue(id(model.q[1]) in result)
        self.assertEqual(len(result), 2)
        del result

        result = EmbeddedSP._collect_mutable_parameters(
            model.r * model.x)
        self.assertEqual(len(result), 0)
        del result

        result = EmbeddedSP._collect_mutable_parameters(
            model.x / obj)
        self.assertTrue(id(obj) in result)
        self.assertEqual(len(result), 1)
        del result

        result = EmbeddedSP._collect_mutable_parameters(
            model.x / (2 * model.q[1] / model.p))
        self.assertTrue(id(model.p) in result)
        self.assertTrue(id(model.q[1]) in result)
        self.assertEqual(len(result), 2)
        del result

        result = EmbeddedSP._collect_mutable_parameters(
            (model.p / model.q[1]) * pc.log(2 * model.x))
        self.assertTrue(id(model.p) in result)
        self.assertTrue(id(model.q[1]) in result)
        self.assertEqual(len(result), 2)
        del result

        result = EmbeddedSP._collect_mutable_parameters(
            model.q[1] * pc.sin(model.p) ** (model.x + model.r))
        self.assertTrue(id(model.p) in result)
        self.assertTrue(id(model.q[1]) in result)
        self.assertEqual(len(result), 2)
        del result

        result = EmbeddedSP._collect_mutable_parameters(
            (model.p + model.x) ** (model.q[1] * pc.sin(model.r)))
        self.assertTrue(id(model.p) in result)
        self.assertTrue(id(model.q[1]) in result)
        self.assertEqual(len(result), 2)
        del result
Beispiel #6
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    def _sum(*x):
        return sum(i for i in x)

    def _nondifferentiable(*x):
        raise NondifferentiableError(
            "The sub-expression '%s' is not differentiable with respect to %s"
            % (x[0], x[1]))

    _operatorMap = {
        sympy.Add: _sum,
        sympy.Mul: _prod,
        sympy.Pow: lambda x, y: x**y,
        sympy.exp: lambda x: core.exp(x),
        sympy.log: lambda x: core.log(x),
        sympy.sin: lambda x: core.sin(x),
        sympy.asin: lambda x: core.asin(x),
        sympy.sinh: lambda x: core.sinh(x),
        sympy.asinh: lambda x: core.asinh(x),
        sympy.cos: lambda x: core.cos(x),
        sympy.acos: lambda x: core.acos(x),
        sympy.cosh: lambda x: core.cosh(x),
        sympy.acosh: lambda x: core.acosh(x),
        sympy.tan: lambda x: core.tan(x),
        sympy.atan: lambda x: core.atan(x),
        sympy.tanh: lambda x: core.tanh(x),
        sympy.atanh: lambda x: core.atanh(x),
        sympy.ceiling: lambda x: core.ceil(x),
        sympy.floor: lambda x: core.floor(x),
        sympy.Derivative: _nondifferentiable,
    }
Beispiel #7
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        return ans

    def _sum(*x):
        return sum(i for i in x)

    def _nondifferentiable(*x):
        raise NondifferentiableError(
            "The sub-expression '%s' is not differentiable with respect to %s"
            % (x[0],x[1]) )

    _operatorMap = {
        sympy.Add: _sum,
        sympy.Mul: _prod,
        sympy.Pow: lambda x,y: x**y,
        sympy.log: lambda x: core.log(x),
        sympy.sin: lambda x: core.sin(x),
        sympy.asin: lambda x: core.asin(x),
        sympy.sinh: lambda x: core.sinh(x),
        sympy.asinh: lambda x: core.asinh(x),
        sympy.cos: lambda x: core.cos(x),
        sympy.acos: lambda x: core.acos(x),
        sympy.cosh: lambda x: core.cosh(x),
        sympy.acosh: lambda x: core.acosh(x),
        sympy.tan: lambda x: core.tan(x),
        sympy.atan: lambda x: core.atan(x),
        sympy.tanh: lambda x: core.tanh(x),
        sympy.atanh: lambda x: core.atanh(x),
        sympy.ceiling: lambda x: core.ceil(x),
        sympy.floor: lambda x: core.floor(x),
        sympy.Derivative: _nondifferentiable,
    }
Beispiel #8
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    def test_collect_mutable_parameters(self):
        model = pc.ConcreteModel()
        model.p = pc.Param(mutable=True)
        model.q = pc.Param([1], mutable=True, initialize=1.0)
        model.r = pc.Param(initialize=1.1, mutable=False)
        model.x = pc.Var()
        for obj in [model.p, model.q[1]]:

            result = EmbeddedSP._collect_mutable_parameters(obj)
            self.assertTrue(id(obj) in result)
            self.assertEqual(len(result), 1)
            del result

            result = EmbeddedSP._collect_mutable_parameters(obj + 1)
            self.assertTrue(id(obj) in result)
            self.assertEqual(len(result), 1)
            del result

            result = EmbeddedSP._collect_mutable_parameters(2 * (obj + 1))
            self.assertTrue(id(obj) in result)
            self.assertEqual(len(result), 1)
            del result

            result = EmbeddedSP._collect_mutable_parameters(2 * obj)
            self.assertTrue(id(obj) in result)
            self.assertEqual(len(result), 1)
            del result

            result = EmbeddedSP._collect_mutable_parameters(2 * obj + 1)
            self.assertTrue(id(obj) in result)
            self.assertEqual(len(result), 1)
            del result

            result = EmbeddedSP._collect_mutable_parameters(2 * obj + 1 +
                                                            model.x)
            self.assertTrue(id(obj) in result)
            self.assertEqual(len(result), 1)
            del result

            result = EmbeddedSP._collect_mutable_parameters(obj * model.x)
            self.assertTrue(id(obj) in result)
            self.assertEqual(len(result), 1)
            del result

            result = EmbeddedSP._collect_mutable_parameters(model.x / obj)
            self.assertTrue(id(obj) in result)
            self.assertEqual(len(result), 1)
            del result

            result = EmbeddedSP._collect_mutable_parameters(model.x /
                                                            (2 * obj))
            self.assertTrue(id(obj) in result)
            self.assertEqual(len(result), 1)
            del result

            result = EmbeddedSP._collect_mutable_parameters(
                obj * pc.log(2 * model.x))
            self.assertTrue(id(obj) in result)
            self.assertEqual(len(result), 1)
            del result

            result = EmbeddedSP._collect_mutable_parameters(
                obj * pc.sin(model.r)**model.x)
            self.assertTrue(id(obj) in result)
            self.assertEqual(len(result), 1)
            del result

            result = EmbeddedSP._collect_mutable_parameters(
                model.x**(obj * pc.sin(model.r)))
            self.assertTrue(id(obj) in result)
            self.assertEqual(len(result), 1)
            del result

        result = EmbeddedSP._collect_mutable_parameters(1.0)
        self.assertEqual(len(result), 0)
        del result

        result = EmbeddedSP._collect_mutable_parameters(model.p + model.q[1] +
                                                        model.r)
        self.assertTrue(id(model.p) in result)
        self.assertTrue(id(model.q[1]) in result)
        self.assertEqual(len(result), 2)
        del result

        result = EmbeddedSP._collect_mutable_parameters(model.p + 1 + model.r +
                                                        model.q[1])
        self.assertTrue(id(model.p) in result)
        self.assertTrue(id(model.q[1]) in result)
        self.assertEqual(len(result), 2)

        result = EmbeddedSP._collect_mutable_parameters(model.q[1] * 2 *
                                                        (model.p + model.r) +
                                                        model.r)
        self.assertTrue(id(model.p) in result)
        self.assertTrue(id(model.q[1]) in result)
        self.assertEqual(len(result), 2)
        del result

        result = EmbeddedSP._collect_mutable_parameters(2 * model.x * model.p *
                                                        model.q[1] * model.r)
        self.assertTrue(id(model.p) in result)
        self.assertTrue(id(model.q[1]) in result)
        self.assertEqual(len(result), 2)
        del result

        result = EmbeddedSP._collect_mutable_parameters(2 * obj * model.q[1] *
                                                        model.r + 1)
        self.assertTrue(id(model.q[1]) in result)
        self.assertEqual(len(result), 1)
        del result

        result = EmbeddedSP._collect_mutable_parameters(2 * model.q[1] + 1 +
                                                        model.x - model.p)
        self.assertTrue(id(model.p) in result)
        self.assertTrue(id(model.q[1]) in result)
        self.assertEqual(len(result), 2)
        del result

        result = EmbeddedSP._collect_mutable_parameters(model.r * model.x)
        self.assertEqual(len(result), 0)
        del result

        result = EmbeddedSP._collect_mutable_parameters(model.x / obj)
        self.assertTrue(id(obj) in result)
        self.assertEqual(len(result), 1)
        del result

        result = EmbeddedSP._collect_mutable_parameters(
            model.x / (2 * model.q[1] / model.p))
        self.assertTrue(id(model.p) in result)
        self.assertTrue(id(model.q[1]) in result)
        self.assertEqual(len(result), 2)
        del result

        result = EmbeddedSP._collect_mutable_parameters(
            (model.p / model.q[1]) * pc.log(2 * model.x))
        self.assertTrue(id(model.p) in result)
        self.assertTrue(id(model.q[1]) in result)
        self.assertEqual(len(result), 2)
        del result

        result = EmbeddedSP._collect_mutable_parameters(
            model.q[1] * pc.sin(model.p)**(model.x + model.r))
        self.assertTrue(id(model.p) in result)
        self.assertTrue(id(model.q[1]) in result)
        self.assertEqual(len(result), 2)
        del result

        result = EmbeddedSP._collect_mutable_parameters(
            (model.p + model.x)**(model.q[1] * pc.sin(model.r)))
        self.assertTrue(id(model.p) in result)
        self.assertTrue(id(model.q[1]) in result)
        self.assertEqual(len(result), 2)
        del result