Numerical experiments to "Exponential integrators for quasilinear wave-type equations" (updated version)

This code was used for the numerical experiments in the revised preprint (CRC Preprint 2021/12; URL: https://www.waves.kit.edu/downloads/CRC1173_Preprint_2021-12.pdf) and in the paper "Exponential integrators for quasilinear wave-type equations" by B. Dörich and M. Hochbruck.

本代码用于修订版预印本（CRC Preprint 2021/12；链接：https://www.waves.kit.edu/downloads/CRC1173_Preprint_2021-12.pdf）以及B. Dörich与M. Hochbruck发表的论文《拟线性波动型方程的指数积分器》（Exponential integrators for quasilinear wave-type equations）中的数值实验。