Placeholder:0 tensorflow code example
Example 1: tensorflow placeholder
import tensorflow as tf
x = tf.placeholder("float", [None, 3])
y = x * 2
with tf.Session() as session:
x_data = [[1, 2, 3],
[4, 5, 6],]
result = session.run(y, feed_dict={x: x_data})
print(result)
Example 2: tensorflow placeholder
x = tf.placeholder("float", None)