$\mathrm{lamda}-dx+s\mathrm{beta}xy$ $s\mathrm{beta}xy-ay+pyz$ $\ln (y\times 1)$ $cxyw-cqyw+bw$ $\ln (w\times 1)$ $cqyw-hz$ $\begin{cases}1 & \text{if $\mathrm{time\_}\le 15$}\\ 1 & \text{if $\mathrm{time\_}\ge 40$}\\ 0.0042 & \text{otherwise}\end{cases}$