def graph(self):
'''
Graphs the current functions and plots the user has entered.
'''
#Get x range for y to be calculated off of
x = Graph.get_x_range(Graph.xmin,Graph.xmax,Graph.x_increment)
#Get all functions to plot
functions_to_plot = Graph.get_on_functions()
for fx in functions_to_plot:
fx.update_function(x)
#Now set up and plot the functions
fig = self.graph_2d_plot_panel.get_figure()
axes = fig.gca()
# clear the axes and replot everything
axes.cla()
for fx in functions_to_plot:
axes.plot(fx.x_values, fx.y_values,fx.get_color()+fx.get_line_style(), linewidth=1.0, label=fx.function_name)
#Set the limits for the graph TODO get this working
#axes.set_xlim((-100,100))
axes.set_ylim(-1,1)
