from numpy import *
from dwt import *
import matplotlib.pyplot as plt

# Pythonkode oppgave 7
a, b = -5, 5
m = 8
t = linspace(a, b, (b-a)*2**m)
invf = IDWTKernelN14N24

coordsvm = zeros((b-a)*2**m)
coordsvm[0] = 1
IDWTImpl(coordsvm,m,invf,0,0)
coordsvm *= 2**(m/2.)
plt.subplot(1,2,1)
plt.plot(t, concatenate([coordsvm[(b*2**m):((b-a)*2**m)], coordsvm[0:(b*2**m)]]))

coordsvm = zeros((b-a)*2**m)
coordsvm[b-a] = 1
IDWTImpl(coordsvm,m,invf,0,0)
coordsvm *= 2**(m/2.)
plt.subplot(1,2,2)
plt.plot(t, concatenate([coordsvm[(b*2**m):((b-a)*2**m)], coordsvm[0:(b*2**m)]]))
plt.show()