mpinv                package:multilm                R Documentation

_M_o_o_r_e-_P_e_n_r_o_s_e-_I_n_v_e_r_s_e

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

     `mpinv' returns the Moore-Penrose-Inverse.

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

     mpinv(X)

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

       X: a matrix, which Moore-Penrose-Inverse is to calculate

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

     Torsten Hothorn <hothorn@statistik.uni-dortmund.de>

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

     any Linare Algebra book

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

     X <- cbind(1, diag(10)) # reduced rank
     mpinv(X) 

