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 "
After Change
plt.xlabel(r"$\omega$", fontsize=18)
plt.ylabel(r"$\hat\psi_j(\omega)$", fontsize=18)
plt.title("First-order filters (Q = {})".format(Q), fontsize=18)
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Do the same plot for the second-order filters. Note that since here `Q = 1`,
