Nota de estudio 154: ¿Cómo escribe Matlab txt?

fid_pos_in = fopen ('E: \ acoplamiento_FC_SC_ASD \ child_adol_2514 \ adol \ test_pos_in.txt', 'w');
fid_pos_ex = fopen ('E: \ acoplamiento_FC_SC_ASD \ child_adol_2514 \ adol \ test_pos_ex.txt', 'w');
fid_neg_in = fopen ('E: \ acoplamiento_FC_SC_ASD \ child_adol_2514 \ adol \ test_neg_in.txt', 'w');
fid_neg_ex = fopen ('E: \ acoplamiento_FC_SC_ASD \ child_adol_2514 \ adol \ test_neg_ex.txt', 'w');
para t = 1: tamaño (col, 1)
    zVal = v (t, 1);
    r_c_val = {};
    si zVal> 0
        r_c_val = [row_net (t, :), col_net (t, :)];
        if strcmp (r_c_val (1,1), r_c_val (1,4))
            fprintf (fid_pos_in, '% s% d% d% s% d% d \ r \ n', r_c_val {1 ,:});
        de lo contrario
            fprintf (fid_pos_ex, ' % s% d% d% s% d% d \ r \ n ', r_c_val {1 ,:});
        fin
    elseif zVal <0
        r_c_val = [row_net (t, :), col_net (t, :)];
        if strcmp (r_c_val (1,1), r_c_val (1,4))       
            fprintf (fid_neg_in, '% s% d% d% s% d% d \ r \ n', r_c_val {1 ,:});
        de lo contrario
            fprintf (fid_neg_ex, '% s% d% d% s% d% d \ r \ n', r_c_val {1 ,:});
        fin
    fin
fin
fclose (fid_pos_in);
fclose (fid_pos_ex);
fclose (fid_neg_in);
fclose (fid_neg_ex);