Hey Tien, It seems like your matlab path is screwed up. Can you post your matlab path here? You can get the path by running "path". thanks, -- ben On Wed, May 25, 2011 at 9:07 AM, Tien Thanh wrote: > Hi Cohen, > > It not worked with me, I can find the example_topic that list in the > rostopic but the rostopic echo shows nothing and I got an error when execute > example_publisher.m in Matlab > > Warning: Directory access failure: /bin/bash. > > In path at 110 > In addpath at 87 > In example_publisher at 9 > Warning: Name is nonexistent or not a directory: rospack. > > In path at 110 > In addpath at 87 > In example_publisher at 9 > Warning: Name is nonexistent or not a directory: command not found/bin. > > In path at 110 > In addpath at 87 > In example_publisher at 9 > ??? Undefined function or method 'geometry_msgs_Twist' for input arguments > of type 'char'. > > Error in ==> example_publisher at 13 > pid=geometry_msgs_Twist('connect','publisher','example_module','twist'); > > Thanks for any help. > > Best, > On Wed, May 25, 2011 at 10:27 AM, Nikos Mitsou wrote: > >> >> Yes, publisher and subscriber are working fine! >> Thanks for the effort >> Nikos >> >> >> On 05/23/2011 11:26 PM, Benjamin Cohen wrote: >> >> Nikos, >> >> Actually, that part of the tutorial is outdated. No bin folders should >> have been created in those folders. The bin folders should only be created >> in the *ipc_[...]_msgs* folders such as ipc_msgs/ipc_geometry_msgs/. >> >> I'll update the tutorial. Have you tried the example publisher/subscriber? >> >> >> -- ben >> >> >> >> On Mon, May 23, 2011 at 4:26 AM, Nikos Mitsou wrote: >> >>> Hello all >>> >>> I tried to install the interoperability system between Matlab and Ros. >>> ( >>> https://alliance.seas.upenn.edu/~meam620/wiki/index.php?n=Roslab.IpcBridge >>> ) >>> >>> I followed the instructions and the compilation of the packages produced >>> no error. >>> According to the instructions, bin folders should have been created e.g. >>> ipc_bridge_ros/bin >>> ipc_bridge_matlab/bin >>> >>> but are actually missing. >>> Has anyone experienced something similar? >>> >>> Thanks >>> Nikos >>> >>> _______________________________________________ >>> ros-users mailing list >>> ros-users@code.ros.org >>> https://code.ros.org/mailman/listinfo/ros-users >>> >>> >> >> _______________________________________________ >> ros-users mailing listros-users@code.ros.orghttps://code.ros.org/mailman/listinfo/ros-users >> >> >> >> _______________________________________________ >> ros-users mailing list >> ros-users@code.ros.org >> https://code.ros.org/mailman/listinfo/ros-users >> >> > > > -- > Tien Thanh Nguyen > > > _______________________________________________ > ros-users mailing list > ros-users@code.ros.org > https://code.ros.org/mailman/listinfo/ros-users > >