Summary: as weighted contribution TSPA.
The modi cationofthe originalalgorithmismainly
based on the consideration that the equal contribution
to the global connection error may not be the best
choice, although that is a more accurate estimate of
the theory of gradient descent. In addition, in the
modi ed algorithm, the improvement for faster con-
vergence rate can also be observed in the experiments
even without the e ect of the weighted contribution.
However, such improvement cannot be guaranteed in
all the cases.
Table 1 shows the comparison among the conver-
gence rates of three variations of TSPA: the original
one, the modi ed one with equal contribution, and
the modi ed one with weighted contribution. As men-
Nptn original equal weighted
ai = 1 ai = N2
i + 2Ni