Delete .header.h.swp
Delete .mgsolve.cpp.swp
time measurement, norm, error, convergence
Merge branch 'master' of https://github.com/Metadelee/siwir1_ue1
error, norm, convergence, time
Merge branch 'master' of https://github.com/Metadelee/siwir1_ue1
time, error, norm, convergence