Fig. 10: Visualization comparison of relative residual errors between SE-based method and PDEC-FIND.

a Comparison of relative residual errors between SE-based method and PDEC-FIND for case 1. b Comparison of relative residual errors between SE-based method and PDEC-FIND for case 2. c Comparison of relative residual errors between SE-based method and PDEC-FIND for case 3. d Comparison of relative residual errors between SE-based method and PDEC-FIND for case 4.