Tensorflow-MNIST

gistfile1.txt

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(input_shape=(28, 28)),
  tf.keras.layers.Dense(128, activation='relu'),
  tf.keras.layers.Dense(16, activation='relu'),
  tf.keras.layers.Dropout(0.2),
  tf.keras.layers.Dense(10)
])
loss_fn = tf.keras.losses.SparseCategoricalCrossentropy(from_logits=True)
model.compile(optimizer='adam',loss=loss_fn,
              metrics=['accuracy'])
model.fit(x_train, y_train, epochs=2)
model.evaluate(x_test,y_test) #0.98
predictions = model(x_test[:1]).numpy()
tf.math.argmax(tf.nn.softmax(predictions).numpy())