blockDiag package:limma R Documentation _B_l_o_c_k _D_i_a_g_o_n_a_l _M_a_t_r_i_x _D_e_s_c_r_i_p_t_i_o_n: Form a block diagonal matrix from the given blocks. _U_s_a_g_e: blockDiag(...) _A_r_g_u_m_e_n_t_s: ...: numeric matrices _V_a_l_u_e: A block diagonal matrix with dimensions equal to the sum of the input dimensions _A_u_t_h_o_r(_s): Gordon Smyth _S_e_e _A_l_s_o: 10.Other _E_x_a_m_p_l_e_s: a <- matrix(1,3,2) b <- matrix(2,2,2) blockDiag(a,b)