File:Fresnelcplot.png

#!/usr/bin/python
import numpy as np
import matplotlib.pyplot as plt
from mpmath import *
from pylab import rcParams
rcParams['figure.figsize'] = 10, 10

x=np.arange(-10,10,0.01);
f=np.vectorize(fresnelc)
y1=f(x)
def g(x):
        return 0.5
def h(x):
        return -0.5
j=np.vectorize(g)
k=np.vectorize(h)
y2=j(x)
y3=k(x)

fig, ax = plt.subplots()

#xlabels = [item.get_text() for item in ax.get_xticklabels()]
#xlabels=[r'$-4$',r'$-3$',r'$-2$',r'$-1$',r'$0$',r'$1$',r'$2$',r'$3$',r'$4$']
#ax.set_xticks([-4,-3,-2,-1,0,1,2,3,4])
#ax.set_xticklabels(xlabels,horizontalalignment='center')

ylabels=[item.get_text() for item in ax.get_yticklabels()]
ylabels=[r'$-\frac{1}{2}$',r'$0$',r'$\frac{1}{2}$']
ax.set_yticks([-0.5,0,0.5])
ax.set_yticklabels(ylabels,verticalalignment='center')

plt.xlabel(r'$x$')
plt.ylabel(r'$C(x)$')

plt.plot(x,y1,linewidth=2,color='Black')
plt.plot(x,y2,'--',linewidth=2,color='Black')
plt.plot(x,y3,'--',linewidth=2,color='Black')

plt.savefig('fresnelcplot.png',bbox_inches='tight',pad_inches=0.15)