Decay

The Decay amplitude uses a decaying exponential function.

$$A(t)=A_0\exp (-{\displaystyle \frac{t-t_o}{t_d}})\text{for}t>t_0.$$

Syntax

amplitude Decay (1) (2) (3)
# (1) int, unique amplitude tag
# (2) double, initial amplitude A_0
# (3) double, speed control parameter t_d