4f1e7f2f936bf5f3e6d1da8d8be843dc3273fe67,examples/1d/plot_filters.py,,,#,17

Before Change

// lowpass filters
// ---------------------------------------------------------------------------

fig, axs = plt.subplots(2, 1)

psis_f = (psi1_f, psi2_f)
Qs = (Q, 1)

for k in range(2):
    axs[k].plot(np.arange(T)/T, phi_f[0], "b")
    for psi_f in psis_f[k]:
        axs[k].plot(np.arange(T)/T, psi_f[0], "b")
    axs[k].set_xlim(0, 0.5)
    axs[k].set_ylim(0, 1.2)
    axs[k].set_xlabel("\omega")
    axs[k].set_ylabel("\hat\psi_j(\omega)")
    axs[k].set_title("Q = {}".format(Qs[k]))

fig.suptitle(("Fourier transforms of wavelets for all scales j with the "
    "corresponding lowpass filter."))

After Change

plt.ylim(0, 1.2)
plt.xlabel(r"$\omega$", fontsize=18)
plt.ylabel(r"$\hat\psi_j(\omega)$", fontsize=18)
plt.title("Second-order filters (Q = 1)", fontsize=18)

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Display the plots!

Instances