xor example

examples/xor.py

@@ -0,0 +1,24 @@
+#!/usr/bin/python3
+# -*- coding: utf-8 -*-
+
+import tensorflow as tf
+from tensorflow.keras import layers, models
+
+trainingData = tf.constant([[0, 0], [0, 1], [1, 0], [1, 1]])
+trainLabels  = tf.constant([    0,      1,      1,      0 ])
+
+model = models.Sequential()
+model.add(layers.Dense(32, input_dim=2, activation='relu'))
+model.add(layers.Dense(1, activation='sigmoid'))
+
+model.compile(loss='mean_squared_error',
+              optimizer='adam',
+              metrics=['binary_accuracy'])
+
+model.fit(trainingData, trainLabels, epochs=400)
+prediction = model.predict(trainingData)
+
+for (a, b), (y,) in zip(trainingData, prediction):
+  print("{:.0f} xor {:.0f} = {:.0f}".format(a, b, y))
+
+