lab10/lab10.py

@@ -1,122 +0,0 @@
-import sys
-from PyQt5.QtWidgets import QApplication, QMainWindow, QVBoxLayout, QWidget, QLabel, QLineEdit, QPushButton, QColorDialog, QTableWidget, QTableWidgetItem, QHeaderView
-from PyQt5.QtGui import QColor
-import pyqtgraph as pg
-import random
-
-
-class FuzzyScaleApp(QMainWindow):
-    def __init__(self):
-        super().__init__()
-        self.setWindowTitle("Оценка прибыли")
-        self.setGeometry(100, 100, 800, 600)
-
-        self.plot_widget = pg.PlotWidget()
-        self.table_widget = QTableWidget()
-        self.table_widget.setColumnCount(6)
-        self.table_widget.setHorizontalHeaderLabels(["Название", "Тип", "a", "b", "c", "d"])
-        self.table_widget.horizontalHeader().setSectionResizeMode(QHeaderView.Stretch)
-
-        self.add_btn = QPushButton("Добавить")
-        self.remove_btn = QPushButton("Удалить")
-        self.update_btn = QPushButton("Обновить график")
-
-        main_widget = QWidget()
-        main_layout = QVBoxLayout()
-        main_layout.addWidget(self.plot_widget)
-        main_layout.addWidget(self.table_widget)
-        button_layout = QVBoxLayout()
-        button_layout.addWidget(self.add_btn)
-        button_layout.addWidget(self.remove_btn)
-        button_layout.addWidget(self.update_btn)
-        main_layout.addLayout(button_layout)
-        main_widget.setLayout(main_layout)
-        self.setCentralWidget(main_widget)
-
-        self.membership_functions = [
-            ["Низкая", "Треугольная", 10, 20, 30, None],
-            ["Средняя", "Трапециевидная", 15, 25, 35, 45],
-            ["Высокая", "Треугольная", 40, 50, 60, None],
-        ]
-        self.update_table()
-        self.update_plot()
-
-        self.add_btn.clicked.connect(self.add_function)
-        self.remove_btn.clicked.connect(self.remove_function)
-        self.table_widget.cellChanged.connect(self.update_data)
-        self.update_btn.clicked.connect(self.update_plot)
-
-    def update_data(self):
-        print(self.membership_functions)
-        for row in range(self.table_widget.rowCount()):
-            for column in range(6):
-                index = self.table_widget.model().index(row, column)
-                data = self.table_widget.model().data(index)
-                if column == 5:
-                    if self.membership_functions[row][1] == 'Треугольная' and data != '':
-                        self.membership_functions[row][1] = 'Трапециевидная'
-                    elif self.membership_functions[row][column] == 'Трапециевидная' and data == '':
-                        self.membership_functions[row][1] = 'Треугольная'
-                if data == '':
-                    self.membership_functions[row][column] = None
-                    continue
-                try:
-                    self.membership_functions[row][column] = int(data)
-                except ValueError:
-                    self.membership_functions[row][column] = data
-        print(self.membership_functions)
-
-    def add_function(self):
-        print("чмо")
-        row_count = self.table_widget.rowCount()
-        self.table_widget.insertRow(row_count)
-        self.table_widget.setItem(row_count, 0, QTableWidgetItem("Новая функция"))
-        self.table_widget.setItem(row_count, 1, QTableWidgetItem("Треугольная"))
-        self.membership_functions.append(["Новая функция", "Треугольная", 0, 25, 50, None])
-        self.update_table()
-        self.update_plot()
-
-    def remove_function(self):
-        selected_rows = self.table_widget.selectionModel().selectedRows()
-        rows_to_remove = [index.row() for index in selected_rows]
-        rows_to_remove.sort(reverse=True)
-        for row in rows_to_remove:
-            self.table_widget.removeRow(row)
-            del self.membership_functions[row]
-        self.update_plot()
-
-    def update_table(self):
-        self.table_widget.setRowCount(len(self.membership_functions))
-        row = 0
-        for (name, mf_type, a, b, c, d) in self.membership_functions:
-            self.table_widget.setItem(row, 0, QTableWidgetItem(name))
-            self.table_widget.setItem(row, 1, QTableWidgetItem(mf_type))
-            self.table_widget.setItem(row, 2, QTableWidgetItem(str(a)))
-            self.table_widget.setItem(row, 3, QTableWidgetItem(str(b)))
-            self.table_widget.setItem(row, 4, QTableWidgetItem(str(c)))
-            self.table_widget.setItem(row, 5, QTableWidgetItem(str(d) if d is not None else ""))
-            row += 1
-
-    def update_plot(self):
-        self.plot_widget.clear()
-        print('лох')
-        x = [-10, 110]
-        y = [0, 0]
-        self.plot_widget.plot(x, y)
-        for (name, mf_type, a, b, c, d) in self.membership_functions:
-            print(name, mf_type, a, b, c, d)
-            if mf_type == "Треугольная":
-                x = [a, b, c]
-                y = [0, 1, 0]
-                self.plot_widget.plot(x, y, name=name, pen=pg.mkPen(QColor(random.randint(0,255), random.randint(0,255), random.randint(0,255)), width=2))
-            else:
-                x = [a, b, c, d]
-                y = [0, 1, 1, 0]
-                self.plot_widget.plot(x, y, name=name, pen=pg.mkPen(QColor(random.randint(0,255), random.randint(0,255), random.randint(0,255)), width=2))
-
-
-if __name__ == "__main__":
-    app = QApplication(sys.argv)
-    fuzzy_scale_app = FuzzyScaleApp()
-    fuzzy_scale_app.show()
-    sys.exit(app.exec_())

lab11/lab11.py

@@ -1,104 +0,0 @@
-import math
-import random
-import numpy as np
-import matplotlib.pyplot as plt
-
-
-def get_distance(first: np.ndarray, second: np.ndarray) -> float:
-    return math.sqrt(sum([(first[i] - second[i]) ** 2 for i in range(first.shape[0])])) + 1e-5
-
-
-def affiliation_calculation(data: np.ndarray, centers: np.ndarray, k: int, m: int) -> np.ndarray:
-    data_len = data.shape[0]
-    u = np.zeros((data_len, k))
-    for i in range(data_len):
-        for j in range(k):
-            total = 0
-            distance = get_distance(data[i], centers[j])
-            for c in range(k):
-                total += (distance / get_distance(data[i], centers[c])) ** (2 / (m - 1))
-            u[i, j] = 1 / total
-    return u
-
-
-def variance_calculation(data: np.ndarray, centers: np.ndarray, u: np.ndarray) -> float:
-    value = 0
-    for j in range(k):
-        for i in range(data.shape[0]):
-            value += get_distance(data[i], centers[j]) ** 2 * u[i, j]
-    return value
-
-
-def center_update(data: np.ndarray, u: np.ndarray, k: int, m: int) -> np.ndarray:
-    centers = np.zeros((k, data.shape[1]))
-    for j in range(k):
-        total = 0
-        for i in range(data.shape[0]):
-            total += u[i, j] ** m * data[i]
-        centers[j] = total / np.sum(u[:, j] ** m)
-    return centers
-
-
-def fuzzy_c_means(data: np.ndarray, k: int, m: int, max_iter: int = 100, tol: float = 1e-5) -> (
-        np.ndarray, np.ndarray, float):
-    centers = np.array([[random.randint(data.min(), data.max()) for i in range(data.shape[1])] for j in range(k)])
-    u = None
-
-    value = 0
-
-    for _ in range(max_iter):
-        u = affiliation_calculation(data, centers, k, m)
-
-        new_value = variance_calculation(data, centers, u)
-        if abs(new_value - value) <= tol:
-            return centers, u, value
-
-        value = new_value
-
-        centers = center_update(data, u, k, m)
-
-    return centers, u, value
-
-
-def visualise_resout(centers: np.ndarray, u: np.ndarray):
-    center_colors = [[random.random(), random.random(), random.random()] for i in range(k)]
-    point_colors = []
-    for i in u:
-        tmp_color = [0, 0, 0]
-        for j in range(k):
-            tmp_color[0] += center_colors[j][0] * i[j]
-            tmp_color[1] += center_colors[j][1] * i[j]
-            tmp_color[2] += center_colors[j][1] * i[j]
-        point_colors.append(tmp_color)
-
-    plt.title("Нечёткая кластеризация")
-    plt.xlabel("Размер зарплаты")
-
-    if data.shape[1] == 1:
-        plt.scatter(data[:, 0], [0] * data.shape[0], c=point_colors)
-        plt.scatter(centers[:, 0], [0] * centers.shape[0], marker='*', edgecolor='black', s=100, c=center_colors)
-        plt.gca().axes.get_yaxis().set_visible(False)
-    else:
-        plt.scatter(data[:, 0], data[:, 1], c=point_colors)
-        plt.scatter(centers[:, 0], centers[:, 1], marker='*', edgecolor='black', s=100, c=center_colors)
-    plt.show()
-
-
-if __name__ == '__main__':
-    data: np.ndarray = np.array(
-        [
-            [
-                random.randint(0, 500)
-            ]
-            for i in range(random.randint(40, 100))
-        ])
-    k = 3
-    m = 2
-
-    centers, u, value = fuzzy_c_means(data, k, m)
-    print(f"Значение функции отклонений: {value}")
-    print("Степени принадлежности первых 10 точек:")
-    print(*u[:10], sep="\n")
-    print("Центры всех кластеров:")
-    print(*centers, sep="\n")
-    visualise_resout(centers, u)

lab12/FuzzyRule.py

@@ -1,20 +0,0 @@
-class FuzzyRule:
-    def __init__(self):
-        self.condition: dict[str, str] = {}
-        self.resout: (str, str) = None
-
-    def add_condition(self, variable: str, value: str):
-        self.condition[variable] = value
-        return self
-
-    def add_resout(self, variable: str, value: str):
-        self.resout = (variable, value)
-        return self
-
-    def calculate_res(self, variables: dict[str, dict[str, float]]) -> (str, str, float):
-        res = 1
-
-        for i in self.condition:
-            res = min(res, variables[i][self.condition[i]])
-
-        return self.resout[0], self.resout[1], res

lab12/FuzzySet.py

@@ -1,21 +0,0 @@
-class FuzzySet:
-    def __init__(self, name: str, a: float, b: float, c: float, d: float):
-        self.name = name
-        self.a = a
-        self.b = b
-        self.c = c
-        self.d = d
-
-    def affiliation(self, x: float) -> float:
-        if x <= self.a or x >= self.d:
-            return 0
-        if self.b <= x <= self.c:
-            return 1
-
-        if x <= self.b:
-            return (x - self.a) / (self.b - self.a)
-        else:
-            return (self.d - x) / (self.d - self.c)
-
-    def defuzzification(self) -> float:
-        return (self.c + self.b) / 2

lab12/LinguisticVariable.py

@@ -1,24 +0,0 @@
-from FuzzySet import FuzzySet
-
-
-class LinguisticVariable:
-    def __init__(self, name: str):
-        self.name = name
-        self.fuzzy_sets: dict[str, FuzzySet] = {}
-
-    def add_fuzzy_set(self, name: str, a: float, b: float, c: float, d: float):
-        if not (a <= b <= c <= d):
-            return
-
-        if name in self.fuzzy_sets:
-            fuzzy = self.fuzzy_sets[name]
-            fuzzy.a = a
-            fuzzy.b = b
-            fuzzy.c = c
-            fuzzy.d = d
-        else:
-            self.fuzzy_sets[name] = FuzzySet(name, a, b, c, d)
-        return self
-
-    def get_all_supplies(self, x: float) -> dict[str, float]:
-        return {i: self.fuzzy_sets[i].affiliation(x) for i in self.fuzzy_sets}

lab12/main.py

@@ -1,105 +0,0 @@
-from FuzzyRule import FuzzyRule
-from LinguisticVariable import LinguisticVariable
-
-
-def get_linguistic_data(vars: list[LinguisticVariable], x: dict[str, float]) -> dict[str, dict[str, float]]:
-    return {i.name: i.get_all_supplies(x[i.name]) for i in vars}
-
-
-def get_rule_table_res(rules: list[FuzzyRule], vars: list[LinguisticVariable], x: dict[str, float]) \
-        -> (str, str, float):
-    res = [i.calculate_res(get_linguistic_data(vars, x)) for i in rules]
-
-    return sorted(res, key=lambda y: -y[2])[0]
-
-
-if __name__ == '__main__':
-    variables: list[LinguisticVariable] = [
-        LinguisticVariable("Часы эксплуатации")
-        .add_fuzzy_set("мало", 0, 0, 100, 200)
-        .add_fuzzy_set("средне", 100, 300, 500, 700)
-        .add_fuzzy_set("много", 500, 800, 1000, 1000),
-
-        LinguisticVariable("Срок последней проверки")
-        .add_fuzzy_set("недавно", 0, 0, 3, 6)
-        .add_fuzzy_set("давно", 3, 6, 12, 18)
-        .add_fuzzy_set("очень давно", 12, 18, 24, 24),
-
-        LinguisticVariable("Риск поломки")
-        .add_fuzzy_set("низкий", 0, 0, 20, 40)
-        .add_fuzzy_set("средний", 20, 40, 60, 80)
-        .add_fuzzy_set("высокий", 60, 80, 100, 100)
-    ]
-
-    rules: list[FuzzyRule] = [
-        FuzzyRule()
-        .add_condition("Часы эксплуатации", 'мало')
-        .add_condition("Срок последней проверки", 'недавно')
-        .add_resout("Риск поломки", 'низкий'),
-
-        FuzzyRule()
-        .add_condition("Часы эксплуатации", 'мало')
-        .add_condition("Срок последней проверки", 'давно')
-        .add_resout("Риск поломки", 'низкий'),
-
-        FuzzyRule()
-        .add_condition("Часы эксплуатации", 'мало')
-        .add_condition("Срок последней проверки", 'очень давно')
-        .add_resout("Риск поломки", 'средний'),
-
-        FuzzyRule()
-        .add_condition("Часы эксплуатации", 'средне')
-        .add_condition("Срок последней проверки", 'недавно')
-        .add_resout("Риск поломки", 'низкий'),
-
-        FuzzyRule()
-        .add_condition("Часы эксплуатации", 'средне')
-        .add_condition("Срок последней проверки", 'давно')
-        .add_resout("Риск поломки", 'средний'),
-
-        FuzzyRule()
-        .add_condition("Часы эксплуатации", 'средне')
-        .add_condition("Срок последней проверки", 'очень давно')
-        .add_resout("Риск поломки", 'высокий'),
-
-        FuzzyRule()
-        .add_condition("Часы эксплуатации", 'много')
-        .add_condition("Срок последней проверки", 'недавно')
-        .add_resout("Риск поломки", 'средний'),
-
-        FuzzyRule()
-        .add_condition("Часы эксплуатации", 'много')
-        .add_condition("Срок последней проверки", 'давно')
-        .add_resout("Риск поломки", 'высокий'),
-
-        FuzzyRule()
-        .add_condition("Часы эксплуатации", 'много')
-        .add_condition("Срок последней проверки", 'очень давно')
-        .add_resout("Риск поломки", 'высокий'),
-
-        FuzzyRule()
-        .add_condition("Часы эксплуатации", 'мало')
-        .add_condition("Срок последней проверки", 'недавно')
-        .add_resout("Риск поломки", 'низкий'),
-
-        FuzzyRule()
-        .add_condition("Часы эксплуатации", 'много')
-        .add_condition("Срок последней проверки", 'недавно')
-        .add_resout("Риск поломки", 'средний')
-    ]
-
-    input_data: dict[str, float] = {
-        "Часы эксплуатации": 550,
-        "Срок последней проверки": 15
-    }
-
-    varz = []
-    for i in variables:
-        if i.name in input_data:
-            varz.append(i)
-
-    name, value, confidence = get_rule_table_res(rules, varz, input_data)
-    print(name, value)
-    for i in variables:
-        if i.name == name:
-            print(i.fuzzy_sets[value].defuzzification())

lab9/lab9.py

@@ -1,42 +0,0 @@
-import matplotlib.pyplot as plt
-
-print("Введите минимальное значение (первое основание треугольника) :")
-min_value = float(input())
-
-print("Введите максимальное значение (второе основание треугольника) :")
-max_value = float(input())
-
-if max_value < min_value:
-    max_value, min_value = min_value, max_value
-
-print("Введите центральное значение (вершина треугольника) :")
-center_value = float(input())
-
-print("Введите значение объекта для проверки степени принадлежности:")
-x = float(input())
-
-if min_value <= x <= center_value:
-    membership = (x - min_value) / (center_value - min_value)
-elif center_value < x <= max_value:
-    membership = (max_value - x) / (max_value - center_value)
-elif x < min_value or x > max_value:
-    membership = 0
-else:
-    membership = -1
-
-
-if membership == -1:
-    print("Не удалось рассчитать степень принадлежности объекта")
-
-
-print(f"Минимум: {min_value}")
-print(f"Максимум: {max_value}")
-print(f"Центр: {center_value}")
-print(f"Степень принадлежности {x}: {membership:.2f}")
-
-X = [min_value, center_value, max_value]
-Y = [0, 1, 0]
-
-plt.plot(X, Y)
-plt.plot(x, membership, 'ro')
-plt.show()