File:Hypergeometric2f1,a=0.5,b=1,c=1.5,negativezsquared.png

#!/usr/bin/python
import numpy as np
import matplotlib.pyplot as plt
from mpmath import *
from pylab import rcParams
rcParams['figure.figsize'] = 2.4,2.4

x1=np.arange(-6,-0.0001,0.001)
f=np.vectorize(lambda x: hyp2f1(0.5,1,1.5,-x**2))
y1=f(x1)

x2=np.arange(0.0001,6,0.001)
y2=f(x2)

xvert=np.arange(-30,30,0.1)
g=np.vectorize(lambda x: 0)
yvert=g(xvert)

fig, ax = plt.subplots()
ax.spines['top'].set_color('none')
ax.spines['left'].set_color('none')
ax.spines['right'].set_color('none')
plt.tick_params(axis='x', which='both', bottom='off', top='off', labelbottom='off')
plt.tick_params(axis='y', which='both', left='off', right='off', labelleft='off')

plt.plot(x1,y1,linewidth=5,color='Black')
plt.plot(x2,y2,linewidth=5,color='Black')
plt.plot(yvert,xvert,linewidth=1,color='Black')
plt.plot(xvert,yvert,linewidth=1,color='Black')

plt.xlim(-6,6)
plt.ylim(-0.1,1.1)

plt.savefig('hypergeometric2f1,a=0.5,b=1,c=1.5,negativezsquared.png',bbox_inches='tight',pad_inches=0.0)