pochhammer           package:orthopolynom           R Documentation

_C_a_l_c_u_l_a_t_e _t_h_e _v_a_l_u_e _o_f _P_o_c_h_h_a_m_m_e_r'_s _s_y_m_b_o_l

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

     'pochhammer' returns the value of Pochhammer's symbol calculated
     as


 ( z )_n  = z;( {z + 1} ); ... ;( {z + n - 1} ) = frac{{Gamma ( {z + n} )}}{{Gamma ( z )}}


     where Gamma ( z ) is the Gamma function

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

     pochhammer(z, n)

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

       z: argument of the symbol 

       n: integer number of terms in the symbol 

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

     The value of Pochhammer's symbol

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

     Frederick Novomestky fnovomes@poly.edu) 

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

     pochhammer( 1, 5 )

