序号.

$\frac{G^{\prime }\left(\theta \right)}{G\left(\theta \right)}$

条件

1

$-\frac{\lambda }{2}+\frac{\sqrt{{\Delta }_1}}{2}\frac{c_1\sinh \left(\frac{\sqrt{{\Delta }_1}}{2}\theta \right)+c_2\cosh \left(\frac{\sqrt{{\Delta }_1}}{2}\theta \right)}{c_2\sinh \left(\frac{\sqrt{{\Delta }_1}}{2}\theta \right)+c_1\cosh \left(\frac{\sqrt{{\Delta }_1}}{2}\theta \right)}$

${\Delta }_1>0$