.. code-block:: julia
    
    using Gadfly
    x = linspace(0, 2π, 200)
    plot(x=x, y = sin(x), Geom.line)
    


.. figure:: figures/gadfly_formats_test_sin_fun_1.png
   :width: 15 cm

   sin(x) function.


.. figure:: figures/gadfly_formats_test_2_1.png
   :width: 15 cm

   cos(x) function.


.. image:: figures/gadfly_formats_test_cos2_fun_1.png
   :width: 15 cm


.. code-block:: julia

julia> x = linspace(0, 2π, 200)
200-element LinSpace{Float64}:
 0.0,0.0315738,0.0631476,0.0947214,0.126295,…,6.18846,6.22004,6.25161,6.28319

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




.. image:: figures/gadfly_formats_test_4_1.png
   :width: 15 cm


.. code-block:: julia

julia> y = 20
20

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




.. image:: figures/gadfly_formats_test_4_2.png
   :width: 15 cm


.. code-block:: julia
    
    x = linspace(0, 2π, 200)
    plot(x=x, y = sin(x), Geom.line)
    


.. image:: figures/gadfly_formats_test_5_1.png
   :width: 15cm


.. code-block:: julia
    
    y = 20
    plot(x=x, y = cos(x), Geom.line)
    


.. image:: figures/gadfly_formats_test_5_2.png
   :width: 15cm