~~~~{.julia}
using Gadfly
x = linspace(0, 2π, 200)
plot(x=x, y = sin(x), Geom.line)
~~~~~~~~~~~~~


![sin(x) function.](figures/gadfly_formats_test_sin_fun_1.svg)



![cos(x) function.](figures/gadfly_formats_test_2_1.svg)



![](figures/gadfly_formats_test_cos2_fun_1.svg)



~~~~{.julia}
julia> x = linspace(0, 2π, 200)
200-element Array{Float64,1}:
 0.0      
 0.0315738
 0.0631476
 0.0947214
 0.126295 
 0.157869 
 0.189443 
 0.221017 
 0.25259  
 0.284164 
 ⋮        
 6.03059  
 6.06217  
 6.09374  
 6.12532  
 6.15689  
 6.18846  
 6.22004  
 6.25161  
 6.28319  

julia> plot(x=x, y = sin(x), Geom.line)

~~~~~~~~~~~~~


![](figures/gadfly_formats_test_4_1.svg)


~~~~{.julia}
julia> y = 20
20

julia> plot(x=x, y = cos(x), Geom.line)

~~~~~~~~~~~~~


![](figures/gadfly_formats_test_4_2.svg)




~~~~{.julia}
x = linspace(0, 2π, 200)
plot(x=x, y = sin(x), Geom.line)
y = 20
plot(x=x, y = cos(x), Geom.line)
~~~~~~~~~~~~~


![](figures/gadfly_formats_test_5_1.svg)
![](figures/gadfly_formats_test_5_2.svg)