linux plotting a ghraph

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I want to plot a data file (speed11.data) in Linux. the data file looking like:

1,4.45823517e+01

2,4.45873528e+01

3,4.45923538e+01

4,4.45973549e+01

I used gnuplot, but I got error.

gnuplot> plot "speed11.data"

gnuplot> 1,4.45823517e+01 ^ "speed11.data", line 1: invalid command

Could you help me to plot a graph?

Thanks

asked 37 secs ago

h747

8

linux plotting a ghraph