Real-Time Structural Damage Assessment Using Artificial Neural Networks and Antiresonant Frequencies

Table 4

Network validation performance with different training algorithms.

Training algorithms	Time (s)	𝐸𝑠
Gradient descent	237	0.0467
Gradient descent with adaptive learning	9	0.0289
Scaled conjugate gradient	12	0.0158
Levenberg-Marquardt	15	0.0046