“邓维宁”版本间的差异
来自iCenter Wiki
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| − | === 10.20 | + | === 10.20 操作 === |
C:\Users\dell>pip install jupyter notebook | C:\Users\dell>pip install jupyter notebook | ||
| + | <br /> | ||
| + | |||
| + | import tensorflow as tf | ||
| + | mnist = tf.keras.datasets.mnist | ||
| + | |||
| + | (x_train, y_train),(x_test, y_test) = mnist.load_data() | ||
| + | x_train, x_test = x_train / 255.0, x_test / 255.0 | ||
| + | |||
| + | model = tf.keras.models.Sequential([ | ||
| + | tf.keras.layers.Flatten(), | ||
| + | tf.keras.layers.Dense(512, activation=tf.nn.relu), | ||
| + | tf.keras.layers.Dropout(0.2), | ||
| + | tf.keras.layers.Dense(10, activation=tf.nn.softmax) | ||
| + | ]) | ||
| + | model.compile(optimizer='adam', | ||
| + | loss='sparse_categorical_crossentropy', | ||
| + | metrics=['accuracy']) | ||
| + | |||
| + | model.fit(x_train, y_train, epochs=5) | ||
| + | model.evaluate(x_test, y_test) | ||
2018年10月20日 (六) 05:08的版本
基本信息
邓维宁，重庆人，社科74班，心理学专业
兴趣特长
吃火锅，运动，如乒乓球、羽毛球、网球。
爱好睡觉，阅读，C++。
10.20 操作
C:\Users\dell>pip install jupyter notebook
import tensorflow as tf mnist = tf.keras.datasets.mnist
(x_train, y_train),(x_test, y_test) = mnist.load_data() x_train, x_test = x_train / 255.0, x_test / 255.0
model = tf.keras.models.Sequential([
tf.keras.layers.Flatten(), tf.keras.layers.Dense(512, activation=tf.nn.relu), tf.keras.layers.Dropout(0.2), tf.keras.layers.Dense(10, activation=tf.nn.softmax)
]) model.compile(optimizer='adam',
loss='sparse_categorical_crossentropy',
metrics=['accuracy'])
model.fit(x_train, y_train, epochs=5) model.evaluate(x_test, y_test)
