---
weave_options:
  out_path: gadfly
---

<<fig_cap="sin(x) function."; label="sin_fun"; fig_pos="ht">>=
using Gadfly
x = range(0, stop =2π, step=0.05)
plot(x=x, y = sin.(x), Geom.line)
@


<<echo=false; fig_cap="cos(x) function."; dpi=200>>=
plot(x=x, y = cos.(x), Geom.line)
@

<<label="cos2_fun"; out_width="15cm">>=
plot(x=x, y = cos.(2x), Geom.line)
@