polyg                  package:fda                  R Documentation

_P_o_l_y_g_o_n_a_l _B_a_s_i_s _F_u_n_c_t_i_o_n _V_a_l_u_e_s

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

     Evaluates a set of polygonal basis functions, or a derivative of
     these functions, at a set of arguments.

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

     polyg(x, argvals, nderiv=0)

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

      x : A vector of argument values at which the polygonal basis
          functions are to evaluated. 

argvals : A strictly increasing set of argument values containing the
          range of x within it that defines the polygonal basis. The
          default is x itself. 

 nderiv : The derivative to be evaluated. The derivative must not
          exceed one. The default derivative is 0, meaning that the
          basis functions themselves are evaluated. 

_D_e_t_a_i_l_s:

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

     A matrix of function values. The number of rows equals the number
     of arguments, and the number of columns equals the number of basis

_N_o_t_e:

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

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

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

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

