fftshift                package:waved                R Documentation

_S_h_i_f_t _F_o_u_r_i_e_r _f_r_e_q_u_e_n_c_i_e_s

_D_e_s_c_r_i_p_t_i_o_n:

     rearranges the outputs of fft by moving  the zero-frequency
     component to the center of the array

_U_s_a_g_e:

     fftshift(y)

_A_r_g_u_m_e_n_t_s:

       y: A vector

_V_a_l_u_e:

     Rearranged version of the vector $y$

_A_u_t_h_o_r(_s):

     Marc Raimondo

_R_e_f_e_r_e_n_c_e_s:

     Raimondo, M. and Stewart, M. (2007), `The WaveD Transform in R',
     Journal of Statistical Software.

_S_e_e _A_l_s_o:

     'fft'

_E_x_a_m_p_l_e_s:

      print(fftshift(1:5))

