In [2]:
import tensorflow as tf

In [6]:
x = tf.placeholder("float", 10)

In [7]:
y = x * 2

In [8]:
with tf.Session() as session:
    result = session.run(y, feed_dict={x: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]})
    print(result)


[  2.   4.   6.   8.  10.  12.  14.  16.  18.  20.]

In [ ]: