def __init__(self, kernel=stheno.EQ(), **kw_args):
self.gp = stheno.GP(kernel, graph=stheno.Graph())
DataGenerator.__init__(self, **kw_args)
import stheno
import numpy as np
import matplotlib.pyplot as plt
if __name__ == "__main__":
kernels = [stheno.EQ().stretch(1) * 0.1, stheno.EQ().stretch(0.1) * 1]
gps = [stheno.GP(kernel) for kernel in kernels]
labels = [""]
num_samples = 5
step = 0.01
x = np.arange(-2,2 + step, step)
dir_plot = "../figures/write_up/gps/gp.svg"
for i in range(len(gps)):
for j in range(num_samples):
y = gps[i](x).sample()
plt.plot(x,y,alpha=0.5,color="b")
plt.ylim([-4,4])
plt.xlabel("x",fontsize=15)
plt.ylabel("y",fontsize=15)
dir_plot_local = dir_plot[:-4] + str(i) + dir_plot[-4:]
plt.savefig(dir_plot_local)
plt.close()