Table 1 The reference values and points of the zero-order term drift coefficient.

From: A novel optimization method for belief rule base expert system with activation rate

Linguistic terms

\(NL\)

\(NS\)

\(PS\)

\(PL\)

Values

\(- 4 \times 10^{ - 3}\)

\(- 1.3 \times 10^{ - 3}\)

\(1.3 \times 10^{ - 3}\)

\(4 \times 10^{ - 3}\)