[ns] help with permission denired error

Hi everyone, I have been struck at this error for about 2 weeks. I have been getting this error and I have given permission to all my directories and files using chmod 777 -R ~/fyp. Pls help as it's urgent. couldn't execute /home/serene/fyp: permission denied     while executing exec ~/fyp

[ns] help with permission denied

Hi I am new to ns2 and have been getting these errors and I need to solve them urgently. couldn't execute /home/XXX/XXX: permission denied     while executing exec ~/XXX test.tcl -bdelay 10 -a 1 -b 100  ... Thanks in advance

[ns] help with ns codes

Hi, I came across codes something like 1:($3/($5*$1))}. May I know what does that means? I didn't see any declaration anywhere in the code. Can anyone enlighten me? Thanks in advance.

[ns] help to find completed connection per sec

Hi I am new to ns2. Does anyone know how do I plot a graph to find number of completed connection per sec? I have attached snippets of my codes over here, can I know whether I am on the correct track? Thanks in advance.   #Setup a TCP connection for {set i 0} {$i 5} {incr i} { set

[ns] calculate throughput

Hi Does anyone know how do to plot a graph: number of simultaneous connection vs connection completion rate?

[ns] help with xgraph

Hi I am new to ns2 and I am having this problem with xgraph. When I run my file, it keeps giving me this error: ns: finish: Problems found with input data. while executing exec xgraph tcpTahoe.tr tcpReno.tr tcp793.tr -geometry 800x400 (procedure finish line 11) I have tried running xgraph on