yp = [ S1(1)*y(1) + S1(2)*y(2) + S2(1)*y(3) + 0 + 0 + 0 + S4(1)*y(7) + 0 + S5(1)*y(9) + 0 + S6(1)*y(11) + 0 + Sst1*y(13) + 0 + 0 + 0 + 0 + 0 + 0 + SS1 S7(1)*y(1) + S7(2)*y(2) + 0 + S8(2)*y(4) + 0 + 0 + 0 + S10(2)*y(8) + 0 + S11(2)*y(10) + 0 + S12(2)*y(12) + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 S13(1)*y(1) + 0 + S14(1)*y(3) + S14(2)*y(4) + S15(1)*y(5) + 0 + 0 + 0 + S17(1)*y(9) + 0 + S18(1)*y(11) + 0 + 0 + Sst2*y(14) + 0 + 0 + 0 + 0 + 0 + SS2 0 + S19(2)*y(2) + S20(1)*y(3) + S20(2)*y(4) + 0 + S21(2)*y(6) + 0 + 0 + 0 + S23(2)*y(10) + 0 + S24(2)*y(12) + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 0 + 0 + S26(1)*y(3) + 0 + S27(1)*y(5) + S27(2)*y(6) + S28(1)*y(7) + 0 + S29(1)*y(9) + 0 + S30(1)*y(11) + 0 + 0 + 0 + Sst3*y(15) + 0 + 0 + 0 + 0 + SS3 0 + 0 + 0 + S32(2)*y(4) + S33(1)*y(5) + S33(2)*y(6) + 0 + S34(2)*y(8) + 0 + S35(2)*y(10) + 0 + S36(2)*y(12) + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 S37(1)*y(1) + 0 + 0 + 0 + S39(1)*y(5) + 0 + S40(1)*y(7) + S40(2)*y(8) + S41(1)*y(9) + 0 + S42(1)*y(11) + 0 + 0 + 0 + 0 + Sst4*y(16) + 0 + 0 + 0 + SS4 0 + S43(2)*y(2) + 0 + 0 + 0 + S45(2)*y(6) + S46(1)*y(7) + S46(2)*y(8) + 0 + S47(2)*y(10) + 0 + S48(2)*y(12) + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 S49(1)*y(1) + 0 + S50(1)*y(3) + 0 + S51(1)*y(5) + 0 + S52(1)*y(7) + 0 + S53(1)*y(9) + S53(2)*y(10) + 0 + 0 + 0 + 0 + 0 + 0 + Sst5*y(17) + 0 + 0 + SS5 0 + S55(2)*y(2) + 0 + S56(2)*y(4) + 0 + S57(2)*y(6) + 0 + S58(2)*y(8) + S59(1)*y(9) + S59(2)*y(10) + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 S61(1)*y(1) + 0 + S62(1)*y(3) + 0 + S63(1)*y(5) + 0 + S64(1)*y(7) + 0 + 0 + 0 + S66(1)*y(11) + S66(2)*y(12) + 0 + 0 + 0 + 0 + 0 + Sst6*y(18) + 0 + SS6 0 + S67(2)*y(2) + 0 + S68(2)*y(4) + 0 + S69(2)*y(6) + 0 + S70(2)*y(8) + 0 + 0 + S72(1)*y(11) + S72(2)*y(12) + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 Tts1*y(1) + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + T1(1)*y(13) + T2(1)*y(14) + 0 + T4(1)*y(16) + T5(1)*y(17) + T6(1)*y(18) + Ctq_T1*y(19) + TT1 0 + 0 + Tts2*y(3) + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + T7(1)*y(13) + T8(1)*y(14) + T9(1)*y(15) + 0 + T11(1)*y(17) + T12(1)*y(18) + Ctq_T2*y(19) + TT2 0 + 0 + 0 + 0 + Tts3*y(5) + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + T14(1)*y(14) + T15(1)*y(15) + T16(1)*y(16) + T17(1)*y(17) + T18(1)*y(18) + Ctq_T3*y(19) + TT3 0 + 0 + 0 + 0 + 0 + 0 + Tts4*y(7) + 0 + 0 + 0 + 0 + 0 + T19(1)*y(13) + 0 + T21(1)*y(15) + T22(1)*y(16) + T23(1)*y(17) + T24(1)*y(18) + Ctq_T4*y(19) + TT4 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + Tts5*y(9) + 0 + 0 + 0 + T25(1)*y(13) + T26(1)*y(14) + T27(1)*y(15) + T28(1)*y(16) + T29(1)*y(17) + 0 + Ctq_T5*y(19) + TT5 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + Tts6*y(11) + 0 + T31(1)*y(13) + T32(1)*y(14) + T33(1)*y(15) + T34(1)*y(16) + 0 + T36(1)*y(18) + Ctq_T6*y(19) + TT6 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + Ctq_1*y(13) + Ctq_2*y(14) + Ctq_3*y(15) + Ctq_4*y(16) + Ctq_5*y(17) + Ctq_6*y(18) + Ctq_7*y(19) + 0 ];