import matplotlib.pyplot as plt
import numpy as np
from leniax.kernel_functions import poly_quad
x = np.linspace(0., 1., 100)
q = 4
params = np.array([q])
y = poly_quad(params, x)
plt.plot(x, y)
plt.axhline(y=0, color='grey', linestyle='dotted')
plt.title(r'Poly_quad4: q=%.2f'%(q))
plt.show()