一种变网格差分的快速行进法

何幼娟, 乔玉雷, 侯丽娟, 竺俊, 高刚, 王鹏

A grid-variable finite-difference fast marching method

You-Juan HE, Yu-Lei QIAO, Li-Juan HOU, Jun ZHU, Gang GAO, Peng WANG

图4 常规二阶FMM走时计算相对误差

Fig.4 Relative error calculated by conventional second-order FMM traveltime