On Sun, Dec 16, 2012 at 10:16 PM, Allin Cottrell <cottrell@wfu.edu> wrote:

On Sun, 16 Dec 2012, Qi Shi wrote:

> how to plot a function in gretl, such as y=2+x+x^2?

See /Tools/Plot a curve. In the box that appears, type the
right-hand side (that is, skip the "y="):

2+x+x^2

You want something that is a valid argument to the "plot" command in
gnuplot.

Allin Cottrell
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--
shi, qi