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Artificial Neural Networks with Java: Tools for Building Neural Network Applications by Igor Livshin

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© Igor Livshin 2019
Igor LivshinArtificial Neural Networks with Javahttps://doi.org/10.1007/978-1-4842-4421-0_2

2. Internal Mechanics of Neural Network Processing

Igor Livshin1 
(1)
Chicago, IL, USA
 

This chapter discusses the inner workings of neural network processing. It shows how a network is built, trained, and tested.

Function to Be Approximated

Let’s consider the function y(x) = x2, as shown in Figure 2-1; however, we’ll pretend that the function formula is not known and that the function was given to us by its values at four points.
../images/477043_1_En_2_Chapter/477043_1_En_2_Fig1_HTML.jpg
Figure 2-1

Graph of the function

Table 2-1 lists the function values at the four points.
Table 2-1

Function Values  Given ...

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