2025-05-05 11:42:52 +04:00
7 changed files with 441 additions and 7 deletions
--- a/lab2/HookJeeves.py
+++ b/lab2/HookJeeves.py
@@ -1,3 +1,5 @@
+# HookJeeves.py
+
 import numpy as np
 import AbsoluteMeasurementErrors as abserror
 from itertools import product
@@ -8,7 +10,7 @@ result_log = ""
 def log(*values, sep=" ", end="\n"):
    global result_log
    result_log += sep.join(list(map(str, values))) + end
-    print(*values, sep=sep, end=end)
+    # print(*values, sep=sep, end=end)


 def get_errors_vector(x):
@@ -159,6 +161,11 @@ def sample_search(
    return x2_last, x2_last_err


+class TARGET:
+    MIN = 0
+    MAX = 1
+
+
 def example():
    # начальная базовая точка
    x0 = [100, 100]
@@ -170,25 +177,33 @@ def example():
    alpha = 2

    # условие окончания поиска
-    epsilon = 1e-4
+    epsilon = 0.0001

-    # коэффициенты при неизвестных (порядок обратный)
+    # коэффициенты при неизвестных (внутри списков порядок обратный)
    c = [[1, 1, 1, 1, 1, 1, 1], [1, 1, 1, 1, 1, 1, 1]]

+    x1r = [-10000, 10000]
+    x2r = [-10000, 10000]
+
+    target = TARGET.MIN
+
    def fit(a, b):
        """
        Функция сравнения значений оптимизируемой функции
        > - ищем максимум
        < - ищем минимум
        """
-        return a < b
+        if target == TARGET.MIN:
+            return a < b
+        elif target == TARGET.MAX:
+            return a > b

    def r(x):
        """
        Функция, описывающая область допустимых значений.
        Должна возвращать истину, если точка находится в ОДЗ.
        """
-        return -10000 < x[0] < 10000 and -10000 < x[1] < 10000
+        return x1r[0] <= x[0] <= x1r[1] and x2r[0] <= x[1] <= x2r[1]

    def f(x):
        """
--- a/lab2/app.py
+++ b/lab2/app.py
@@ -0,0 +1,88 @@
+from flask import Flask, render_template, request
+import HookJeeves
+import os
+import json
+
+app = Flask(__name__)
+app.config["UPLOAD_FOLDER"] = "uploads/"
+os.makedirs(app.config["UPLOAD_FOLDER"], exist_ok=True)
+
+
+def parse_uploaded_data(file):
+    data = json.load(file)
+    return data
+
+
+def to_str(arr):
+    return ",".join(list(map(str, arr)))
+
+
+@app.route("/", methods=["GET", "POST"])
+def index():
+    if request.method == "POST":
+        if "datafile" in request.files and request.files["datafile"].filename != "":
+            file = request.files["datafile"]
+            data = parse_uploaded_data(file)
+        else:
+            try:
+                data = {
+                    "x0": list(map(float, request.form["x0"].split(","))),
+                    "delta0": list(map(float, request.form["delta0"].split(","))),
+                    "epsilon": float(request.form["epsilon"]),
+                    "alpha": float(request.form["alpha"]),
+                    "target": request.form["target"],
+                    "x1c": list(map(float, request.form["x1c"].split(","))),
+                    "x2c": list(map(float, request.form["x2c"].split(","))),
+                    "x1r": list(map(float, request.form["x1r"].split(","))),
+                    "x2r": list(map(float, request.form["x2r"].split(","))),
+                }
+            except (KeyError, ValueError, json.JSONDecodeError):
+                return render_template(
+                    "index.html",
+                    error="Ошибка в данных формы. Заполните все поля корректно.",
+                )
+
+        # Инициализация функций
+        c = [data["x1c"][::-1], data["x2c"][::-1]]
+        x1r = data["x1r"]
+        x2r = data["x2r"]
+        target = data["target"]
+
+        def f(x):
+            return sum(
+                [
+                    sum([c[i][j] * x[i] ** j for j in range(len(c[i]))])
+                    for i in range(len(c))
+                ]
+            )
+
+        def fit(a, b):
+            return a < b if target == "min" else a > b
+
+        def r(x):
+            return x1r[0] <= x[0] <= x1r[1] and x2r[0] <= x[1] <= x2r[1]
+
+        # Запуск метода
+        x, val, x_err = HookJeeves.hooke_jeeves(
+            f, data["x0"], data["delta0"], data["epsilon"], data["alpha"], r=r, fit=fit
+        )
+
+        return render_template(
+            "index.html",
+            result=True,
+            log=HookJeeves.result_log,
+            extreme={"x": x, "val": val, "x_err": x_err, "type": target},
+            form_data={
+                "x0": to_str(data["x0"]),
+                "delta0": to_str(data["delta0"]),
+                "epsilon": str(data["epsilon"]),
+                "alpha": str(data["alpha"]),
+                "target": data["target"],
+                "x1c": to_str(data["x1c"]),
+                "x2c": to_str(data["x2c"]),
+                "x1r": to_str(data["x1r"]),
+                "x2r": to_str(data["x2r"]),
+            },
+        )
+
+    return render_template("index.html")
--- a/lab2/example.json
+++ b/lab2/example.json
@@ -0,0 +1,39 @@
+{
+    "x0": [
+        100,
+        100
+    ],
+    "delta0": [
+        10,
+        10
+    ],
+    "epsilon": 0.0001,
+    "alpha": 2,
+    "target": "min",
+    "x1r": [
+        -10000,
+        10000
+    ],
+    "x2r": [
+        -10000,
+        10000
+    ],
+    "x1c": [
+        1,
+        1,
+        1,
+        1,
+        1,
+        1,
+        1
+    ],
+    "x2c": [
+        1,
+        1,
+        1,
+        1,
+        1,
+        1,
+        1
+    ]
+}
--- a/lab2/poetry.lock
+++ b/lab2/poetry.lock
@@ -1,5 +1,169 @@
 # This file is automatically @generated by Poetry 2.1.2 and should not be changed by hand.

+[[package]]
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+
+[[package]]
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+description = "Cross-platform colored terminal text."
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+    {file = "MarkupSafe-3.0.2-cp313-cp313t-musllinux_1_2_x86_64.whl", hash = "sha256:131a3c7689c85f5ad20f9f6fb1b866f402c445b220c19fe4308c0b147ccd2ad9"},
+    {file = "MarkupSafe-3.0.2-cp313-cp313t-win32.whl", hash = "sha256:ba8062ed2cf21c07a9e295d5b8a2a5ce678b913b45fdf68c32d95d6c1291e0b6"},
+    {file = "MarkupSafe-3.0.2-cp313-cp313t-win_amd64.whl", hash = "sha256:e444a31f8db13eb18ada366ab3cf45fd4b31e4db1236a4448f68778c1d1a5a2f"},
+    {file = "MarkupSafe-3.0.2-cp39-cp39-macosx_10_9_universal2.whl", hash = "sha256:eaa0a10b7f72326f1372a713e73c3f739b524b3af41feb43e4921cb529f5929a"},
+    {file = "MarkupSafe-3.0.2-cp39-cp39-macosx_11_0_arm64.whl", hash = "sha256:48032821bbdf20f5799ff537c7ac3d1fba0ba032cfc06194faffa8cda8b560ff"},
+    {file = "MarkupSafe-3.0.2-cp39-cp39-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:1a9d3f5f0901fdec14d8d2f66ef7d035f2157240a433441719ac9a3fba440b13"},
+    {file = "MarkupSafe-3.0.2-cp39-cp39-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:88b49a3b9ff31e19998750c38e030fc7bb937398b1f78cfa599aaef92d693144"},
+    {file = "MarkupSafe-3.0.2-cp39-cp39-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:cfad01eed2c2e0c01fd0ecd2ef42c492f7f93902e39a42fc9ee1692961443a29"},
+    {file = "MarkupSafe-3.0.2-cp39-cp39-musllinux_1_2_aarch64.whl", hash = "sha256:1225beacc926f536dc82e45f8a4d68502949dc67eea90eab715dea3a21c1b5f0"},
+    {file = "MarkupSafe-3.0.2-cp39-cp39-musllinux_1_2_i686.whl", hash = "sha256:3169b1eefae027567d1ce6ee7cae382c57fe26e82775f460f0b2778beaad66c0"},
+    {file = "MarkupSafe-3.0.2-cp39-cp39-musllinux_1_2_x86_64.whl", hash = "sha256:eb7972a85c54febfb25b5c4b4f3af4dcc731994c7da0d8a0b4a6eb0640e1d178"},
+    {file = "MarkupSafe-3.0.2-cp39-cp39-win32.whl", hash = "sha256:8c4e8c3ce11e1f92f6536ff07154f9d49677ebaaafc32db9db4620bc11ed480f"},
+    {file = "MarkupSafe-3.0.2-cp39-cp39-win_amd64.whl", hash = "sha256:6e296a513ca3d94054c2c881cc913116e90fd030ad1c656b3869762b754f5f8a"},
+    {file = "markupsafe-3.0.2.tar.gz", hash = "sha256:ee55d3edf80167e48ea11a923c7386f4669df67d7994554387f84e7d8b0a2bf0"},
+]
+
 [[package]]
 name = "numpy"
 version = "2.2.5"
@@ -65,7 +229,25 @@ files = [
    {file = "numpy-2.2.5.tar.gz", hash = "sha256:a9c0d994680cd991b1cb772e8b297340085466a6fe964bc9d4e80f5e2f43c291"},
 ]

+[[package]]
+name = "werkzeug"
+version = "3.1.3"
+description = "The comprehensive WSGI web application library."
+optional = false
+python-versions = ">=3.9"
+groups = ["main"]
+files = [
+    {file = "werkzeug-3.1.3-py3-none-any.whl", hash = "sha256:54b78bf3716d19a65be4fceccc0d1d7b89e608834989dfae50ea87564639213e"},
+    {file = "werkzeug-3.1.3.tar.gz", hash = "sha256:60723ce945c19328679790e3282cc758aa4a6040e4bb330f53d30fa546d44746"},
+]
+
+[package.dependencies]
+MarkupSafe = ">=2.1.1"
+
+[package.extras]
+watchdog = ["watchdog (>=2.3)"]
+
 [metadata]
 lock-version = "2.1"
 python-versions = ">=3.13"
-content-hash = "13ce0f62f57a39472c58e4813c159f1c45c985197b96b57b84e25da768ad5c88"
+content-hash = "e79fa5194de439ac19f30a7b4183d2c032849069c480531d402389348b2a8162"
--- a/lab2/pyproject.toml
+++ b/lab2/pyproject.toml
@@ -8,7 +8,8 @@ authors = [
 readme = "README.md"
 requires-python = ">=3.13"
 dependencies = [
-    "numpy (>=2.2.5,<3.0.0)"
+    "numpy (>=2.2.5,<3.0.0)",
+    "flask (>=3.1.0,<4.0.0)"
 ]

 [tool.poetry]
--- a/lab2/static/style.css
+++ b/lab2/static/style.css
--- a/lab2/templates/index.html
+++ b/lab2/templates/index.html
@@ -0,0 +1,109 @@
+<!doctype html>
+<html lang="ru">
+
+<head>
+    <meta charset="utf-8">
+    <title>Метод Хука-Дживса</title>
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
+</head>
+
+<body class="bg-light">
+    <div class="container mt-5">
+        <h1 class="mb-4">Метод Хука-Дживса</h1>
+
+        {% if error %}
+        <div class="alert alert-danger">{{ error }}</div>
+        {% endif %}
+
+        <form method="post" enctype="multipart/form-data" class="mb-4">
+            <div class="row g-3">
+                <div class="col-md-6">
+                    <label class="form-label">Координаты начальной базовой точки x0</label>
+                    <input type="text" name="x0" class="form-control" placeholder="100,100"
+                        value='{{form_data["x0"] if form_data else ""}}'>
+                </div>
+                <div class="col-md-6">
+                    <label class="form-label">Начальные приращения &Delta;x</label>
+                    <input type="text" name="delta0" class="form-control" placeholder="100,100"
+                        value='{{form_data["delta0"] if form_data else ""}}'>
+                </div>
+
+                <div class="col-md-4">
+                    <label class="form-label">Требуемая точность &epsilon;</label>
+                    <input type="text" name="epsilon" class="form-control" placeholder="0.0001"
+                        value='{{form_data["epsilon"] if form_data else ""}}'>
+                </div>
+                <div class="col-md-4">
+                    <label class="form-label">Коэффициент &alpha;</label>
+                    <input type="text" name="alpha" class="form-control" placeholder="2"
+                        value='{{form_data["alpha"] if form_data else ""}}'>
+                </div>
+                <div class="col-md-4">
+                    <label class="form-label">Цель:</label>
+                    <select name="target" class="form-select">
+                        {% for k, v in {"min": "Минимум", "max": "Максимум"}.items() %}
+                        {% if form_data and form_data["target"] == k %}
+                        <option selected value="{{k}}">{{v}}</option>
+                        {% else %}
+                        <option value="{{k}}">{{v}}</option>
+                        {% endif %}
+                        {% endfor %}
+                    </select>
+                </div>
+
+                <div class="col-md-6">
+                    <label class="form-label">Ограничения x1:</label>
+                    <input type="text" name="x1r" class="form-control" placeholder="-1000,100000"
+                        value='{{form_data["x1r"] if form_data else ""}}'>
+                </div>
+                <div class="col-md-6">
+                    <label class="form-label">Ограничения x2:</label>
+                    <input type="text" name="x2r" class="form-control" placeholder="-1000,100000"
+                        value='{{form_data["x2r"] if form_data else ""}}'>
+                </div>
+
+                <div class="col-12">
+                    <label class="form-label">Коэффициенты при x1 (через запятую)</label>
+                    <textarea name="x1c" class="form-control" rows="3"
+                        placeholder='1,1,1,1,1,1,1'>{{form_data["x1c"] if form_data else ""}}</textarea>
+                </div>
+
+                <div class="col-12">
+                    <label class="form-label">Коэффициенты при x2 (через запятую)</label>
+                    <textarea name="x2c" class="form-control" rows="3"
+                        placeholder='1,1,1,1,1,1,1'>{{form_data["x2c"] if form_data else ""}}</textarea>
+                </div>
+
+                <div class="col-12">
+                    <label class="form-label">ИЛИ загрузите JSON-файл с данными:</label>
+                    <input type="file" name="datafile" class="form-control">
+                </div>
+
+                <div class="col-12 mt-3">
+                    <button type="submit" class="btn btn-primary">Рассчитать</button>
+                </div>
+            </div>
+        </form>
+
+        {% if result %}
+        <h4>Найденный экстремум ({{extreme.type}}):</h4>
+        <ul>
+            <li><strong>x:</strong> {{ extreme.x }}</li>
+            <li><strong>f(x):</strong> {{ extreme.val }}</li>
+            <li><strong>Погрешности:</strong> {{ extreme.x_err }}</li>
+        </ul>
+        <hr>
+        <h2>Промежуточные вычисления</h2>
+        <pre class="bg-white p-3 border">{{ log }}</pre>
+
+        <h4>Найденный экстремум ({{extreme.type}}):</h4>
+        <ul>
+            <li><strong>x:</strong> {{ extreme.x }}</li>
+            <li><strong>f(x):</strong> {{ extreme.val }}</li>
+            <li><strong>Погрешности:</strong> {{ extreme.x_err }}</li>
+        </ul>
+        {% endif %}
+    </div>
+</body>
+
+</html>