Hi Michel, I tried to recompile the mex files on karaba and I obtained the following warning messages for mjdgges: mjdgges/mjdgges.c: In function 'mjdgges': mjdgges/mjdgges.c:62: warning: passing argument 4 of 'dgges_' from incompatible pointer type mjdgges/mjdgges.c:62: warning: passing argument 5 of 'dgges_' from incompatible pointer type mjdgges/mjdgges.c:62: warning: passing argument 7 of 'dgges_' from incompatible pointer type mjdgges/mjdgges.c:62: warning: passing argument 9 of 'dgges_' from incompatible pointer type mjdgges/mjdgges.c:62: warning: passing argument 10 of 'dgges_' from incompatible pointer type mjdgges/mjdgges.c:62: warning: passing argument 15 of 'dgges_' from incompatible pointer type mjdgges/mjdgges.c:62: warning: passing argument 17 of 'dgges_' from incompatible pointer type mjdgges/mjdgges.c:62: warning: passing argument 19 of 'dgges_' from incompatible pointer type mjdgges/mjdgges.c:62: warning: passing argument 20 of 'dgges_' from incompatible pointer type mjdgges/mjdgges.c:62: warning: passing argument 21 of 'dgges_' from incompatible pointer type Is this normal ? I used matlab 2008b. Best, Stéphane.