完成作业3.3.2
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digit_mlp_class/config.py
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digit_mlp_class/config.py
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# -*- coding: utf-8 -*-
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"""
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手写数字识别 - 超参数配置
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纯NumPy实现的两层全连接神经网络
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"""
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# ===== 数据参数 =====
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ONE_HOT = True # 标签是否使用One-Hot编码
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# ===== 模型结构 =====
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INPUT_SIZE = 784 # 28x28 = 784 像素
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HIDDEN_SIZE = 128 # 隐藏层神经元数量
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NUM_CLASSES = 10 # 0-9 十个数字
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KEEP_PROB = 1.0 # Dropout保留比例(1.0=不使用Dropout)
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# ===== 训练参数 =====
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LEARNING_RATE = 0.005 # 学习率
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NUM_EPOCHS = 120 # 训练轮数
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BATCH_SIZE = 64 # 批大小
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# ===== 随机种子(保证可复现) =====
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SEED = 42
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# ===== 实验配置 =====
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RUN_COMPARISON = False # 是否运行对比实验
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# ===== 依赖说明 =====
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# 本项目需要以下库:
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# numpy - 数值计算
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# scikit-learn - 加载MNIST数据集(会自动下载)
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# pandas - sklearn的依赖
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#
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# 安装命令:
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# pip install numpy scikit-learn pandas
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#
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# 数据说明:
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# 首次运行时会自动从OpenML下载MNIST数据集(约12MB)
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# 下载后会自动缓存,后续运行直接使用缓存数据
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