TensorFlow: feed data
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import tensorflow as tf import numpy as np a = 3 b = 2 x = tf.placeholder(tf.float32,shape=(a,b)) y = tf.add(x,x) data = np.random.rand(a,b) sess = tf.Session() print sess.run(y,feed_dict={x:data}) # Finally, close the TensorFlow session when you're done: sess.close()