>>>>> "Nils" == Nils Wagner <nwagner at mecha.uni-stuttgart.de> writes: Nils> Thank you for your workaround. However, the current version Nils> of loadmat cannot handle sparse matrices ? Is there any Nils> progress in importing sparse matrices ? In my tests of the version 5 matfile, sparse matrices also failed to load, but they failed silently. JDH