def test_ExceptOnInvalidMaxIterParam(self):
# Initialization
class_obj = opt()
lb = 0.0
rb = 1.0
r = 1.0
method = class_obj.methods.Piyavsky
max_iter = "1"
class_obj.SetFunctionParameters(2, 3, 3, 5)
# Action
# Validation
self.assertRaises(TypeError, class_obj.Minimize, lb, rb, r, method,
max_iter)
def test_CorrectMinFuncValueBruteForse(self):
# Initialization
class_obj = opt()
lb = 0.0
rb = 8.0
r = 2.0
expected_func_value = -4.80579207
method = class_obj.methods.BruteForse
max_iter = 100
class_obj.SetFunctionParameters(2, 3, 3, 5)
# Action
res = class_obj.Minimize(lb, rb, r, method, max_iter)
# Validation
self.assertAlmostEqual(res.minimum[1], expected_func_value)
def test_CorrectMinFuncValueStrongin(self):
# Initialization
class_obj = opt()
lb = 0.0
rb = 8.0
r = 2.0
expected_func_value = -4.920616335
method = class_obj.methods.Strongin
max_iter = 800
class_obj.SetFunctionParameters(2, 3, 3, 5)
# Action
res = class_obj.Minimize(lb, rb, r, method, max_iter=max_iter)
# Validation
self.assertAlmostEqual(res.minimum[1], expected_func_value)
def DisplaySolution(self):
optimizer = opt()
opt_params = params()
opt_params.a = float(self.funcParamA.text())
opt_params.b = float(self.funcParamB.text())
opt_params.c = float(self.funcParamC.text())
opt_params.d = float(self.funcParamD.text())
opt_params.left_bound = float(self.funcParamLeftB.text())
opt_params.right_bound = float(self.funcParamRightB.text())
opt_params.max_iter = int(self.maxIterCount.text())
opt_params.accuracy = float(self.accuracy.text())
opt_params.r = float(self.r.text())
if self.radioButtonBrutforce.isChecked():
opt_params.method = optimizer.methods.BruteForse
elif self.radioButtonPiyavsky.isChecked():
opt_params.method = optimizer.methods.Piyavsky
elif self.radioButtonStrongin.isChecked():
opt_params.method = optimizer.methods.Strongin
for param in dir(opt_params):
if "__" not in param:
print(param, "=", getattr(opt_params, param), type(getattr(opt_params, param)))
optimizer.SetFunctionParameters(opt_params.a, opt_params.b, opt_params.c, opt_params.d)
solution = optimizer.Minimize(opt_params.left_bound, opt_params.right_bound, opt_params.r, opt_params.method, max_iter=opt_params.max_iter, eps=opt_params.accuracy)
points_multiplier = 100
num_points = int(abs(opt_params.right_bound - opt_params.left_bound) * points_multiplier)
step = abs(opt_params.right_bound - opt_params.left_bound)/num_points
x = []
for i in range(num_points):
x.append(i * step + opt_params.left_bound)
y = [optimizer.Func(point) for point in x]
self.MplWidget.canvas.axes.plot(x, y)
for point in solution.points:
self.MplWidget.canvas.axes.plot(point[0], solution.minimum[1] - 0.1, color="green", marker="*")
self.MplWidget.canvas.axes.plot(solution.minimum[0], solution.minimum[1], color="red", marker="o")
self.solutionX.setText("x = " + str(round(solution.minimum[0], 7)))
self.solutionY.setText("y = " + str(round(solution.minimum[1], 7)))
self.solutionIterCount.setText("Количество итераций : " + str(solution.spent_iter))
self.MplWidget.canvas.draw()
def test_DoesNotRaiseOnNoneMaxIter(self):
# Initialization
class_obj = opt()
lb = 0.0
rb = 8.0
r = 2.0
method = class_obj.methods.Piyavsky
max_iter = None
raise_except = False
class_obj.SetFunctionParameters(2, 3, 3, 5)
# Action
try:
class_obj.Minimize(lb, rb, r, method, max_iter)
except:
raise_except = True
# Validation
self.assertEqual(False, raise_except)
def DisplaySolution(self):
_translate = QtCore.QCoreApplication.translate
self.labelErr.setText(_translate("MainWindow", ""))
self.verticalLayout_3.addWidget(self.groupBox_3)
self.SecondWindow = QtWidgets.QMainWindow()
self.SecondWindow.setObjectName("SecondWindow")
self.centralwidgetS = QtWidgets.QWidget(self.SecondWindow)
self.groupBox_2 = QtWidgets.QGroupBox(self.centralwidgetS)
self.groupBox_2.setMaximumSize(QtCore.QSize(1280, 100))
self.groupBox_2.setObjectName("groupBox_2")
self.verticalLayout_2 = QtWidgets.QVBoxLayout(self.groupBox_2)
self.verticalLayout_2.setObjectName("verticalLayout_2")
self.solutionX = QtWidgets.QLabel(self.groupBox_2)
font = QtGui.QFont()
font.setPointSize(12)
self.solutionX.setFont(font)
self.solutionX.setObjectName("solutionX")
self.verticalLayout_2.addWidget(self.solutionX)
self.solutionY = QtWidgets.QLabel(self.groupBox_2)
font = QtGui.QFont()
font.setPointSize(12)
self.solutionY.setFont(font)
self.solutionY.setObjectName("solutionY")
self.solutionIterCount = QtWidgets.QLabel(self.groupBox_2)
font = QtGui.QFont()
font.setPointSize(12)
self.solutionIterCount.setFont(font)
self.solutionIterCount.setObjectName("solutionIterCount")
self.finalFuncLabel = QtWidgets.QLabel(self.groupBox_2)
font = QtGui.QFont()
font.setPointSize(12)
self.finalFuncLabel.setFont(font)
self.finalFuncLabel.setObjectName("finalFuncLabel")
self.verticalLayout_secondary = QtWidgets.QVBoxLayout(self.centralwidgetS)
self.verticalLayout_secondary.setObjectName("verticalLayout_secondary")
self.MplWidget = MplWidget(self.centralwidget)
self.MplWidget.setMinimumSize(QtCore.QSize(960, 300))
self.MplWidget.setObjectName("MplWidget")
self.groupBox_2.setTitle(_translate("SecondWindow", ""))
self.solutionX.setText(_translate("SecondWindow", ""))
self.solutionY.setText(_translate("SecondWindow", ""))
self.solutionIterCount.setText(_translate("SecondWindow", ""))
self.verticalLayout_secondary.addWidget(self.finalFuncLabel)
self.verticalLayout_secondary.addWidget(self.MplWidget)
self.verticalLayout_secondary.addWidget(self.solutionIterCount)
self.verticalLayout_secondary.addWidget(self.solutionX)
# self.verticalLayout_secondary.addWidget(self.solutionY)
self.SecondWindow.setCentralWidget(self.centralwidgetS)
optimizer = opt()
opt_params = params()
try:
opt_params.a = float(self.funcParamA.text())
opt_params.b = float(self.funcParamB.text())
opt_params.c = float(self.funcParamC.text())
opt_params.d = float(self.funcParamD.text())
opt_params.left_bound = float(self.funcParamLeftB.text())
opt_params.right_bound = float(self.funcParamRightB.text())
opt_params.max_iter = int(self.maxIterCount.text())
opt_params.r = float(self.r.text())
if opt_params.left_bound >= opt_params.right_bound:
raise ValueError()
if self.MethodB.isChecked():
opt_params.method = optimizer.methods.BruteForse
elif self.MethodP.isChecked():
opt_params.method = optimizer.methods.Piyavsky
elif self.MethodS.isChecked():
opt_params.method = optimizer.methods.Strongin
for param in dir(opt_params):
if "__" not in param:
print(param, "=", getattr(opt_params, param), type(getattr(opt_params, param)))
optimizer.SetFunctionParameters(opt_params.a, opt_params.b, opt_params.c, opt_params.d)
solution = optimizer.Minimize(opt_params.left_bound, opt_params.right_bound, opt_params.r,
opt_params.method, max_iter=opt_params.max_iter)
points_multiplier = 100
num_points = int(abs(opt_params.right_bound - opt_params.left_bound) * points_multiplier)
step = abs(opt_params.right_bound - opt_params.left_bound) / num_points
x = []
for i in range(num_points):
x.append(i * step + opt_params.left_bound)
y = [optimizer.Func(point) for point in x]
self.MplWidget.canvas.axes.plot(x, y, color="black")
for point in solution.points:
self.MplWidget.canvas.axes.plot(point[0], solution.minimum[1] - 0.1, color="black", marker="*")
self.MplWidget.canvas.axes.plot(solution.minimum[0], solution.minimum[1], color="red", marker="o")
self.solutionX.setText(
"(" + str(round(solution.minimum[0], 7)) + ", " + str(round(solution.minimum[1], 7)) + ")")
self.solutionIterCount.setText("Пройдено " + str(solution.spent_iter) + " итераций")
self.finalFuncLabel.setText("f(x) = " + str(opt_params.a) +" * sin( " + str(opt_params.b) +" * x) + " + str(opt_params.c) +" * cos( " + str(opt_params.d) +" * x)")
self.SecondWindow.show()
self.MplWidget.canvas.draw()
except ValueError:
self.labelErr.setText(_translate("MainWindow", "Неправильные параметры ввода"))
except Exception:
self.labelErr.setText(_translate("MainWindow", "Неожиданная ошибка ("))