In this tutorial, we will train a machine learning model for predicting numbers in pictures. Our goal is not to design a world-class complex model (although we will give you the source code to implement first-rate predictive models later). Rather, this tutorial is to introduce how to use TensorFlow. So, we start here with a very simple mathematical model called Softmax Regression.

The implementation code for this tutorial is short, and the really interesting content is only contained in three lines of code. However, it is very important to understand the design ideas contained in these codes: the basic concepts of TensorFlow workflow and machine learning. Therefore, this tutorial will explain in detail the implementation of these codes.

This is about as easy as it gets with neural networks, but easy doesn’t mean wrong.

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