File list (Check if you may need any files):
READMEmort.m
assem
.....\rfun.m
.....\msol.m
.....\afun.m
.....\bfun.m
.....\assemble.m
discr
.....\decdom.m
.....\discretize.m
ellipmort.m
fun
...\gu1fun.m
...\gu2fun.m
...\gf1fun.m
...\gf2fun.m
...\plotu1.m
...\plotu2.m
...\u1fun.m
...\u2fun.m
geom
....\sgeom0.m
....\sgeom1.m
....\sgeom2.m
graphic
.......\pmgfun.m
.......\pmgmesh.m
.......\myfig.m
installmort.m
intfbf
......\basisf.m
......\midmortar.m
......\mortarcorner.m
......\PLOTDATA
......\nmortarcorner.m
......\smortarcorner.m
lagrmult
........\installdual.m
........\standard
........\........\master.m
........\........\slave.m
........\dual
........\....\master.m
........\....\slave.m
........\installstandard.m
........\reportmult.m
nrm
...\uh1semnrm.m
...\errorl2nrm.m
solver
......\iterapp.m
......\iterchk.m
......\itermsg.m
......\pcgeig.m
......\solverout.m
......\READMEsolver.m