akima                 package: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

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

     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.

_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. 

