

akima(akima)                                 R Documentation

_W_a_v_e_f_o_r_m _D_i_s_t_o_r_t_i_o_n _D_a_t_a _f_o_r _B_i_v_a_r_i_a_t_e _I_n_t_e_r_p_o_l_a_t_i_o_n

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

   x,y,z: represents a smooth surface of `z' values at
          selected points irregularly distributed in the `x-
          y' plane.

_S_O_U_R_C_E_:

     Hiroshi Akima, "A Method of Bivariate Interpolation and
     Smooth Surface Fitting for Irregularly Distributed Data
     Points", ACM Transactions on Mathematical Software,
     Vol. 4, No. 2, June 1978, pp. 148-159.  Copyright 1978,
     Association for Computing Machinery, Inc., reprinted by
     permission.

     The data was taken from a study of waveform distortion
     in electronic circuits, described in: Hiroshi Akima, "A
     Method of Bivariate Interpolation and Smooth Surface
     Fitting Based on Local Procedures", CACM, Vol. 17, No.
     1, January 1974, pp. 18-20.

