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Simple XOR learning with keras
from keras.models import Sequential
from keras.layers.core import Dense, Dropout, Activation
from keras.optimizers import SGD
import numpy as np
X = np.array([[0,0],[0,1],[1,0],[1,1]])
y = np.array([[0],[1],[1],[0]])
model = Sequential()
model.add(Dense(8, input_dim=2))
sgd = SGD(lr=0.1)
model.compile(loss='binary_crossentropy', optimizer=sgd), y, show_accuracy=True, batch_size=1, nb_epoch=1000)
[[ 0.0033028 ]
[ 0.99581173]
[ 0.99530098]
[ 0.00564186]]
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