I downloaded largestcomponent.m today and it runs fine on my PC (Win 7 Enterprise SP 1) but when I try it on my Linux machine (Ubuntu 10.04 LTS) I get this message: ??? Undefined function or method 'largestcomponent' for input arguments of type 'double'. Even if I put the function file in the same directory as the input it doesn't work on the Linux machine. Any suggestions?