In [1]:

    

import tensorflow as tf


    

    




/home/minesh/anaconda3/lib/python3.6/importlib/_bootstrap.py:219: RuntimeWarning: compiletime version 3.5 of module 'tensorflow.python.framework.fast_tensor_util' does not match runtime version 3.6
  return f(*args, **kwds)

In [12]:

    

node1 = tf.constant(3.0, tf.float32)
node2 = tf.constant(4.0)
print(node1,node2)


    

    




Tensor("Const_4:0", shape=(), dtype=float32) Tensor("Const_5:0", shape=(), dtype=float32)

In [5]:

    

sess = tf.Session()


    

In [9]:

    

sess.list_devices()


    

    
Out[9]:





[_DeviceAttributes(/job:localhost/replica:0/task:0/device:CPU:0, CPU, 268435456)]

In [10]:

    

print(sess.run([node1,node2]))


    

    




[3.0, 4.0]

In [13]:

    

node3 = tf.add(node1,node2) # need to be exact same data type


    

In [14]:

    

print("result : ",sess.run(node3))


    

    




result :  7.0

In [15]:

    

a = tf.placeholder(tf.float32)
b = tf.placeholder(tf.float32)
adder_node = a + b


    

In [19]:

    

sess.run(adder_node,{a:3.0,b:4.5})


    

    
Out[19]:





7.5

In [20]:

    

sess.run(adder_node,{a:[3.0,1.0],b:[2,4.5]})


    

    
Out[20]:





array([ 5. ,  5.5], dtype=float32)

In [21]:

    

add_and_triple = adder_node * 3


    

In [23]:

    

sess.run(add_and_triple,{a:[3.0,1.0],b:[2,4.5]})


    

    
Out[23]:





array([ 15. ,  16.5], dtype=float32)

In [30]:

    

writer = tf.summary.FileWriter("./my_graph",sess.graph)
writer.close()


    

In [31]:

    

sess.graph
sess.close()


    

In [32]:

    

!tensorboard --logdir=./my_graph


    

    




/home/minesh/anaconda3/lib/python3.6/importlib/_bootstrap.py:219: RuntimeWarning: compiletime version 3.5 of module 'tensorflow.python.framework.fast_tensor_util' does not match runtime version 3.6
  return f(*args, **kwds)
TensorBoard 0.4.0rc3 at http://Immortal:6006 (Press CTRL+C to quit)
^C

In [ ]: