February 2018
Intermediate to advanced
450 pages
11h 27m
English
Content preview from Deep Learning By Example
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Mathematical operations
The third type of nodes are mathematical operations, and these are going to be our matrix multiplication (MatMul), addition (Add), and ReLU. All of these are nodes in your TensorFlow graph, and it's very similar to NumPy operations:
Let's see what this graph will look like in code.
We perform the following steps to produce the preceding graph:
- Create weights W and b, including initialization. We can initialize the weight matrix W by sampling from uniform distribution W ~ Uniform(-1,1) and initialize b to be 0.
- Create input placeholder x, which is going to have a shape of m * 784 input matrix.
- Build a flow graph.
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