Add TensorFlow loss viz notebook.

Author: donnemartin

README.md

@@ -104,6 +104,7 @@ IPython Notebook(s) demonstrating deep learning functionality.
 | [tsf-rnn](http://nbviewer.ipython.org/github/donnemartin/data-science-ipython-notebooks/blob/master/deep-learning/tensor-flow-examples/3_neural_networks/recurrent_network.ipynb) | Implement recurrent neural networks in TensorFlow. |
 | [tsf-gpu](http://nbviewer.ipython.org/github/donnemartin/data-science-ipython-notebooks/blob/master/deep-learning/tensor-flow-examples/4_multi_gpu/multigpu_basics.ipynb) | Learn about basic multi-GPU computation in TensorFlow. |
 | [tsf-gviz](http://nbviewer.ipython.org/github/donnemartin/data-science-ipython-notebooks/blob/master/deep-learning/tensor-flow-examples/5_ui/graph_visualization.ipynb) | Learn about graph visualization in TensorFlow. |
+| [tsf-lviz](http://nbviewer.ipython.org/github/donnemartin/data-science-ipython-notebooks/blob/master/deep-learning/tensor-flow-examples/5_ui/loss_visualization.ipynb) | Learn about loss visualization in TensorFlow. |
 
 ### tensor-flow-exercises