def method_perebor(self):
method = Method(self.x1min, self.x2min, self.x1max, self.x2max,
self.step, self.function, self.excpts)
bool_matrix = method.boolean_matrix
spis = method.spis
self.result_table.setColumnCount(len(spis[0]))
self.result_table.setRowCount(len(spis))
for i in range(len(spis)):
for j in range(len(spis[i])):
self.min(i, j, spis, bool_matrix)
min_value_of_fuction, x1, x2 = method.min_needed()
QtWidgets.QMessageBox.information(
self, "Результат",
"Минимум функции:\t{0}\n\tx1:\t{1}\n\tx2:\t{2}".format(
min_value_of_fuction, x1, x2))
class Main(Ui_Form):
def __init__(self):
app = QtWidgets.QApplication(sys.argv)
Form = QtWidgets.QWidget()
self.setupUi(Form)
'''Назначение кнопкам события'''
self.run_button.clicked.connect(self.calculate)
self.add_btn.clicked.connect(self.add_exception)
self.btn_graph.clicked.connect(self.show_graph)
self.btn_rand.clicked.connect(self.show_rand)
Form.show()
sys.exit(app.exec_())
def show_rand(self):
monteCarlo = MonteCarlo(self.x1min, self.x1max, self.x2min, self.x2max,
10, self.function, self.excpts)
for i in range(121):
x1, x2 = monteCarlo.rand()
monteCarlo.func(x1, x2)
min_list = monteCarlo.get_min()
self.min_label.setText(str(min_list[:3]))
self.label.setText(str(min_list[3]))
#print(monteCarlo.get_min())
def show_graph(self):
xx1 = numpy.arange(self.x1min, self.x1max + self.step, self.step)
xx2 = numpy.arange(self.x2min, self.x2max + self.step, self.step)
x1, x2 = numpy.meshgrid(xx1, xx2)
zgrid = eval(self.function)
cs = pylab.contour(x1, x2, zgrid)
#pylab.clabel(cs, colors="black", inline=False)
pylab.show()
def add_exception(self):
'''Добавление исключений в таблицу'''
self.except_label.setText('')
left_edit = self.exeption_left_edit.text()
right_edit = self.exeption_right_edit.text()
if not left_edit or not right_edit:
self.except_label.setText(
'Заполните все поля при добавлении исключений!')
else:
kol = self.exeption_table.rowCount()
self.exeption_table.setRowCount(kol + 1)
tableItem = QtWidgets.QTableWidgetItem("{0} {1} {2}".format(
left_edit, self.combBox.currentText(), right_edit))
self.exeption_table.setItem(0, kol, tableItem)
def calculate(self):
'''Функция заполнение таблицы '''
if __import__('re').findall('\d+? *?\+ *?\d+?',
self.objectiv_func_edit.text()):
pass
else:
print("[SECURITY] F**K YOU!")
return
self.result_table.setColumnCount(0)
self.result_table.setRowCount(0)
self.except_label.setText('')
self.x1min = float(self.x1_min_edit.text())
self.x1max = float(self.x1_max_edit.text())
self.x2min = float(self.x2_min_edit.text())
self.x2max = float(self.x2_max_edit.text())
self.step = float(self.step_combBox.currentText())
self.function = str(self.objectiv_func_edit.text())
if self.x1min >= self.x1max or self.x2min >= self.x2max:
self.except_label.setText(
'Минимальное значение больше максимального !')
else:
self.excpts = []
# достает существующие ограничения и вносит в список
for expt in range(0, self.exeption_table.rowCount()):
if self.exeption_table.item(expt, 0).text():
self.excpts.append(
self.exeption_table.item(expt, 0).text())
self.method = Method(self.x1min, self.x2min, self.x1max,
self.x2max, self.step, self.function,
self.excpts)
bool_matrix = self.method.boolean_matrix
spis = self.method.spis
self.result_table.setColumnCount(len(spis[0]))
self.result_table.setRowCount(len(spis))
for i in range(len(spis)):
for j in range(len(spis[i])):
self.min(i, j, spis, bool_matrix)
self.min_label.setText(str(self.method.min_needed()))
def min(self, i, j, spis, bool_matrix):
if i == len(spis) - 1 or j == 0:
tableItem = QtWidgets.QTableWidgetItem("{0}".format(spis[i][j]))
self.result_table.setItem(i, j, tableItem)
self.result_table.item(i, j).setForeground(
QtGui.QColor(140, 100, 150))
elif bool_matrix[i][j]:
tableItem = QtWidgets.QTableWidgetItem(str(spis[i][j]))
self.result_table.setItem(i, j, tableItem)
else:
tableItem = QtWidgets.QTableWidgetItem("{0}".format(spis[i][j]))
self.result_table.setItem(i, j, tableItem)
self.result_table.item(i, j).setBackground(
QtGui.QColor(140, 100, 150))
self.result_table.item(i, j).setForeground(
QtGui.QColor(255, 255, 255))
