hi, you need to declare val(x). as val(x) has been used without declaring it.
Regards On Sun, Sep 18, 2011 at 6:52 PM, Dineshkumar Dinesh <dinesh_...@ymail.com>wrote: > > > hello, > while executing the simple-wireless.tcl file i got the following error i > dont know how to remove that error,,,,,,if u know kindly help > me............. > dineshkumar@ubuntu:~/ns2 exercises$ ns w1.tcl > can't read "val(x)": no such variable > while executing > "$ns namtrace-all-wireless $namtrace $val(x) $val(y)" > (file "w1.tcl" line 11) > dineshkumar@ubuntu:~/ns2 exercises$ cd - > /home/dineshkumar > dineshkumar@ubuntu:~$ ns simple-wireless.tcl > num_nodes is set 2 > warning: Please use -channel as shown in tcl/ex/wireless-mitf.tcl > INITIALIZE THE LIST xListHead > Starting Simulation... > channel.cc:sendUp - Calc highestAntennaZ_ and distCST_ > highestAntennaZ_ = 1.5, distCST_ = 550.0 > SORTING LISTS ...DONE! > NS EXITING... > > >