hack - add a bit of random noise to the vertex positions in case bemcp results in singlular matrix. Only 1um is already enough to stabilize the solution.


git-svn-id: svn+ssh://svn.fcdonders.nl/home/svnroot/fieldtrip/trunk@9863 0cf7c7f0-3615-4144-b4e6-68da3bce3cd0