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8
6
4
2
0
−2
−4
−6
−8
−10
−8
−6
−4
−2
0
2
4
6
8
10
x
Fig. 12.7
Approximation of the test function of Eq. (
12.23
)(
dashed line
), using an RBF neural
network with Gaussian basis functions
0.6
0.4
0.2
0
−0.2
−0.4
−0.6
−0.8
−10
−8
−6
−4
−2
0
2
4
6
8
10
x
Fig. 12.8
Approximation of the test function of Eq. (
12.24
)(
dashed line
), using a feed-forward
neural network with Hermite basis functions
1. Test function 1 given in Eq. (
12.23
) over the domain D D Œ10;10:
f.x/D 0:5 cos.x=2/ C 0:3 sin.x=2/
(12.23)
2. Test function 2 given in Eq. (
12.24
) over the domain D D Œ10;10:
