>> a1=tf({[1],[2];[3],[4]},{[1 3],[1 4];[2 3],[1 1]}); >> a2=minreal(a1*a1);a3=minreal(a1*a2);a4=minreal(a1*a3);a5=minreal(a1*a4); warning: tf: converting to minimal state-space for MIMO TF interconnections warning: called from __sys_connect__ at line 115 column 5 mtimes at line 58 column 7 warning: tf: converting to minimal state-space for MIMO TF interconnections warning: tf: converting to minimal state-space for MIMO TF interconnections warning: tf: converting to minimal state-space for MIMO TF interconnections error: roots: inputs must not contain Inf or NaN error: called from roots at line 87 column 5 __zero__ at line 30 column 9 zero at line 140 column 20 __minreal__ at line 38 column 17 minreal at line 38 column 7 >> a1 Transfer function 'a1' from input 'u1' to output ... 1 y1: ----- s + 3 3 y2: ------- 2 s + 3 Transfer function 'a1' from input 'u2' to output ... 2 y1: ----- s + 4 4 y2: ----- s + 1 Continuous-time model. >> a2 Transfer function 'a2' from input 'u1' to output ... 4 s^2 + 23.5 s + 33 y1: ------------------------------------- s^4 + 11.5 s^3 + 48 s^2 + 85.5 s + 54 7.5 s + 19.5 y2: ------------------------- s^3 + 5.5 s^2 + 9 s + 4.5 Transfer function 'a2' from input 'u2' to output ... 10 s + 26 y1: ----------------------- s^3 + 8 s^2 + 19 s + 12 19 s^2 + 94 s + 99 y2: ----------------------------------- s^4 + 7.5 s^3 + 18 s^2 + 17.5 s + 6 Continuous-time model. >> a3 Transfer function 'a3' from input 'u1' to output ... 19 s^15 + 660 s^14 + 1.052e+004 s^13 + 1.019e+005 s^12 + 6.706e+005 s^11 + 3.177e+006 s^10 + 1.118e+0 07 s^9 + 2.975e+007 s^8 + 6.034e+007 s^7 + 9.326e+007 s^6 + 1.089e+008 s^5 + 9.439e+007 s^4 + 5.877e+007 s^3 + 2.483e+007 s^2 + 6.364e+006 s + 7.465e+005 y1: ------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------ ----------------------------------------------- s^18 + 42 s^17 + 820.5 s^16 + 9902 s^15 + 8.267e+004 s^14 + 5.069e+005 s^13 + 2.365e+006 s^12 + 8.577e+006 s^11 + 2.452e +007 s^10 + 5.562e+007 s^9 + 1.004e+008 s^8 + 1.437e+008 s^7 + 1.621e+008 s^6 + 1.421e+008 s^5 + 9.464e+007 s^4 + 4.625e+007 s ^3 + 1.562e+007 s^2 + 3.254e+006 s + 3.149e+005 36 s^15 + 1352 s^14 + 2.337e+004 s^13 + 2.463e+005 s^12 + 1.769e+006 s^11 + 9.167e+006 s^10 + 3.538e+ 007 s^9 + 1.035e+008 s^8 + 2.31e+008 s^7 + 3.936e+008 s^6 + 5.072e+008 s^5 + 4.852e+008 s^4 + 3.333e+008 s^3 + 1.553e+008 s^2 + 4.382e+007 s + 5.651e+006 y2: ------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------ ----------------------------------------------- s^18 + 42 s^17 + 820.5 s^16 + 9902 s^15 + 8.267e+004 s^14 + 5.069e+005 s^13 + 2.365e+006 s^12 + 8.577e+006 s^11 + 2.452e +007 s^10 + 5.562e+007 s^9 + 1.004e+008 s^8 + 1.437e+008 s^7 + 1.621e+008 s^6 + 1.421e+008 s^5 + 9.464e+007 s^4 + 4.625e+007 s ^3 + 1.562e+007 s^2 + 3.254e+006 s + 3.149e+005 Transfer function 'a3' from input 'u2' to output ... 48 s^15 + 1683 s^14 + 2.713e+004 s^13 + 2.666e+005 s^12 + 1.785e+006 s^11 + 8.621e+006 s^10 + 3.102e+ 007 s^9 + 8.463e+007 s^8 + 1.765e+008 s^7 + 2.811e+008 s^6 + 3.392e+008 s^5 + 3.045e+008 s^4 + 1.968e+008 s^3 + 8.646e+007 s^2 + 2.309e+007 s + 2.826e+006 y1: ------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------ ----------------------------------------------- s^18 + 42 s^17 + 820.5 s^16 + 9902 s^15 + 8.267e+004 s^14 + 5.069e+005 s^13 + 2.365e+006 s^12 + 8.577e+006 s^11 + 2.452e +007 s^10 + 5.562e+007 s^9 + 1.004e+008 s^8 + 1.437e+008 s^7 + 1.621e+008 s^6 + 1.421e+008 s^5 + 9.464e+007 s^4 + 4.625e+007 s ^3 + 1.562e+007 s^2 + 3.254e+006 s + 3.149e+005 91 s^15 + 3449 s^14 + 6.025e+004 s^13 + 6.434e+005 s^12 + 4.695e+006 s^11 + 2.478e+007 s^10 + 9.764e+ 007 s^9 + 2.924e+008 s^8 + 6.706e+008 s^7 + 1.177e+009 s^6 + 1.567e+009 s^5 + 1.553e+009 s^4 + 1.109e+009 s^3 + 5.385e+008 s^2 + 1.589e+008 s + 2.147e+007 y2: ------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------ ----------------------------------------------- s^18 + 42 s^17 + 820.5 s^16 + 9902 s^15 + 8.267e+004 s^14 + 5.069e+005 s^13 + 2.365e+006 s^12 + 8.577e+006 s^11 + 2.452e +007 s^10 + 5.562e+007 s^9 + 1.004e+008 s^8 + 1.437e+008 s^7 + 1.621e+008 s^6 + 1.421e+008 s^5 + 9.464e+007 s^4 + 4.625e+007 s ^3 + 1.562e+007 s^2 + 3.254e+006 s + 3.149e+005 Continuous-time model. >> a4 Transfer function 'a4' from input 'u1' to output ... 91 s^72 + 1.535e+004 s^71 + 1.272e+006 s^70 + 6.907e+007 s^69 + 2.762e+009 s^68 + 8.678e+ 010 s^67 + 2.231e+012 s^66 + 4.824e+013 s^65 + 8.958e+014 s^64 + 1.451e+016 s^63 + 2.073e+017 s^62 + 2.641e+018 s^61 + 3.024e+ 019 s^60 + 3.131e+020 s^59 + 2.949e+021 s^58 + 2.539e+022 s^57 + 2.007e+023 s^56 + 1.461e+024 s^55 + 9.823e+024 s^54 + 6.121e+ 025 s^53 + 3.543e+026 s^52 + 1.909e+027 s^51 + 9.587e+027 s^50 + 4.498e+028 s^49 + 1.974e+029 s^48 + 8.116e+029 s^47 + 3.129e+ 030 s^46 + 1.132e+031 s^45 + 3.849e+031 s^44 + 1.23e+032 s^43 + 3.7e+032 s^42 + 1.047e+033 s^41 + 2.793e+033 s^40 + 7.015e+033 s^39 + 1.661e+034 s^38 + 3.706e+034 s^37 + 7.795e+034 s^36 + 1.546e+035 s^35 + 2.89e+035 s^34 + 5.093e+035 s^33 + 8.456e+035 s^32 + 1.323e+036 s^31 + 1.949e+036 s^30 + 2.702e+036 s^29 + 3.525e+036 s^28 + 4.323e+036 s^27 + 4.98e+036 s^26 + 5.384e+036 s ^25 + 5.458e+036 s^24 + 5.181e+036 s^23 + 4.599e+036 s^22 + 3.813e+036 s^21 + 2.947e+036 s^20 + 2.119e+036 s^19 + 1.415e+036 s ^18 + 8.752e+035 s^17 + 5.001e+035 s^16 + 2.631e+035 s^15 + 1.27e+035 s^14 + 5.602e+034 s^13 + 2.247e+034 s^12 + 8.149e+033 s^ 11 + 2.655e+033 s^10 + 7.706e+032 s^9 + 1.974e+032 s^8 + 4.406e+031 s^7 + 8.442e+030 s^6 + 1.36e+030 s^5 + 1.793e+029 s^4 + 1. 855e+028 s^3 + 1.414e+027 s^2 + 7.054e+025 s + 1.729e+024 y1: ------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------ ----------------------------------------------------------------------------------------- s^76 + 177.5 s^75 + 1.549e+004 s^74 + 8.865e+005 s^73 + 3.74e+007 s^72 + 1.241e+009 s^71 + 3.37e+010 s^70 + 7.708e+011 s ^69 + 1.515e+013 s^68 + 2.6e+014 s^67 + 3.942e+015 s^66 + 5.334e+016 s^65 + 6.49e+017 s^64 + 7.152e+018 s^63 + 7.177e+019 s^62 + 6.591e+020 s^61 + 5.562e+021 s^60 + 4.329e+022 s^59 + 3.117e+023 s^58 + 2.082e+024 s^57 + 1.294e+025 s^56 + 7.492e+025 s^55 + 4.052e+026 s^54 + 2.05e+027 s^53 + 9.717e+027 s^52 + 4.321e+028 s^51 + 1.805e+029 s^50 + 7.091e+029 s^49 + 2.622e+030 s^48 + 9.133e+030 s^47 + 2.999e+031 s^46 + 9.291e+031 s^45 + 2.717e+032 s^44 + 7.501e+032 s^43 + 1.957e+033 s^42 + 4.823e+033 s^41 + 1.124e+034 s^40 + 2.475e+034 s^39 + 5.155e+034 s^38 + 1.015e+035 s^37 + 1.89e+035 s^36 + 3.326e+035 s^35 + 5.533e+035 s^34 + 8.698e+035 s^33 + 1.292e+036 s^32 + 1.811e+036 s^31 + 2.397e+036 s^30 + 2.992e+036 s^29 + 3.521e+036 s^28 + 3.903e+036 s^27 + 4.071e+036 s^26 + 3.993e+036 s^25 + 3.678e+036 s^24 + 3.179e+036 s^23 + 2.573e+036 s^22 + 1.948e+036 s^21 + 1.377e+036 s^20 + 9.073e+035 s^19 + 5.558e+035 s^18 + 3.158e+035 s^17 + 1.66e+035 s^16 + 8.045e+034 s^15 + 3.582e+034 s^14 + 1.459e+034 s^13 + 5.411e+033 s^12 + 1.817e+033 s^11 + 5.485e+032 s^10 + 1.477e+032 s^9 + 3.515e+031 s^8 + 7.296e+030 s^7 + 1.301e+030 s^6 + 1.95 4e+029 s^5 + 2.402e+028 s^4 + 2.321e+027 s^3 + 1.653e+026 s^2 + 7.717e+024 s + 1.771e+023 172.5 s^72 + 2.959e+004 s^71 + 2.494e+006 s^70 + 1.377e+008 s^69 + 5.601e+009 s^68 + 1.79 e+011 s^67 + 4.682e+012 s^66 + 1.03e+014 s^65 + 1.947e+015 s^64 + 3.209e+016 s^63 + 4.669e+017 s^62 + 6.055e+018 s^61 + 7.058e +019 s^60 + 7.442e+020 s^59 + 7.139e+021 s^58 + 6.26e+022 s^57 + 5.039e+023 s^56 + 3.737e+024 s^55 + 2.561e+025 s^54 + 1.626e+ 026 s^53 + 9.59e+026 s^52 + 5.265e+027 s^51 + 2.696e+028 s^50 + 1.289e+029 s^49 + 5.769e+029 s^48 + 2.418e+030 s^47 + 9.504e+0 30 s^46 + 3.507e+031 s^45 + 1.216e+032 s^44 + 3.963e+032 s^43 + 1.216e+033 s^42 + 3.51e+033 s^41 + 9.546e+033 s^40 + 2.446e+03 4 s^39 + 5.908e+034 s^38 + 1.345e+035 s^37 + 2.887e+035 s^36 + 5.841e+035 s^35 + 1.114e+036 s^34 + 2.003e+036 s^33 + 3.394e+03 6 s^32 + 5.418e+036 s^31 + 8.145e+036 s^30 + 1.153e+037 s^29 + 1.534e+037 s^28 + 1.92e+037 s^27 + 2.257e+037 s^26 + 2.491e+037 s^25 + 2.576e+037 s^24 + 2.496e+037 s^23 + 2.261e+037 s^22 + 1.913e+037 s^21 + 1.508e+037 s^20 + 1.107e+037 s^19 + 7.542e+036 s^18 + 4.76e+036 s^17 + 2.775e+036 s^16 + 1.49e+036 s^15 + 7.336e+035 s^14 + 3.301e+035 s^13 + 1.351e+035 s^12 + 4.997e+034 s ^11 + 1.66e+034 s^10 + 4.916e+033 s^9 + 1.284e+033 s^8 + 2.923e+032 s^7 + 5.712e+031 s^6 + 9.386e+030 s^5 + 1.261e+030 s^4 + 1 .331e+029 s^3 + 1.034e+028 s^2 + 5.257e+026 s + 1.313e+025 y2: ------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------ ----------------------------------------------------------------------------------------- s^76 + 177.5 s^75 + 1.549e+004 s^74 + 8.865e+005 s^73 + 3.74e+007 s^72 + 1.241e+009 s^71 + 3.37e+010 s^70 + 7.708e+011 s ^69 + 1.515e+013 s^68 + 2.6e+014 s^67 + 3.942e+015 s^66 + 5.334e+016 s^65 + 6.49e+017 s^64 + 7.152e+018 s^63 + 7.177e+019 s^62 + 6.591e+020 s^61 + 5.562e+021 s^60 + 4.329e+022 s^59 + 3.117e+023 s^58 + 2.082e+024 s^57 + 1.294e+025 s^56 + 7.492e+025 s^55 + 4.052e+026 s^54 + 2.05e+027 s^53 + 9.717e+027 s^52 + 4.321e+028 s^51 + 1.805e+029 s^50 + 7.091e+029 s^49 + 2.622e+030 s^48 + 9.133e+030 s^47 + 2.999e+031 s^46 + 9.291e+031 s^45 + 2.717e+032 s^44 + 7.501e+032 s^43 + 1.957e+033 s^42 + 4.823e+033 s^41 + 1.124e+034 s^40 + 2.475e+034 s^39 + 5.155e+034 s^38 + 1.015e+035 s^37 + 1.89e+035 s^36 + 3.326e+035 s^35 + 5.533e+035 s^34 + 8.698e+035 s^33 + 1.292e+036 s^32 + 1.811e+036 s^31 + 2.397e+036 s^30 + 2.992e+036 s^29 + 3.521e+036 s^28 + 3.903e+036 s^27 + 4.071e+036 s^26 + 3.993e+036 s^25 + 3.678e+036 s^24 + 3.179e+036 s^23 + 2.573e+036 s^22 + 1.948e+036 s^21 + 1.377e+036 s^20 + 9.073e+035 s^19 + 5.558e+035 s^18 + 3.158e+035 s^17 + 1.66e+035 s^16 + 8.045e+034 s^15 + 3.582e+034 s^14 + 1.459e+034 s^13 + 5.411e+033 s^12 + 1.817e+033 s^11 + 5.485e+032 s^10 + 1.477e+032 s^9 + 3.515e+031 s^8 + 7.296e+030 s^7 + 1.301e+030 s^6 + 1.95 4e+029 s^5 + 2.402e+028 s^4 + 2.321e+027 s^3 + 1.653e+026 s^2 + 7.717e+024 s + 1.771e+023 Transfer function 'a4' from input 'u2' to output ... 230 s^72 + 3.887e+004 s^71 + 3.229e+006 s^70 + 1.756e+008 s^69 + 7.04e+009 s^68 + 2.217e+ 011 s^67 + 5.713e+012 s^66 + 1.239e+014 s^65 + 2.306e+015 s^64 + 3.745e+016 s^63 + 5.369e+017 s^62 + 6.86e+018 s^61 + 7.878e+0 19 s^60 + 8.183e+020 s^59 + 7.734e+021 s^58 + 6.682e+022 s^57 + 5.299e+023 s^56 + 3.871e+024 s^55 + 2.613e+025 s^54 + 1.635e+0 26 s^53 + 9.499e+026 s^52 + 5.138e+027 s^51 + 2.592e+028 s^50 + 1.221e+029 s^49 + 5.385e+029 s^48 + 2.224e+030 s^47 + 8.612e+0 30 s^46 + 3.131e+031 s^45 + 1.07e+032 s^44 + 3.437e+032 s^43 + 1.039e+033 s^42 + 2.956e+033 s^41 + 7.924e+033 s^40 + 2.001e+03 4 s^39 + 4.764e+034 s^38 + 1.069e+035 s^37 + 2.262e+035 s^36 + 4.512e+035 s^35 + 8.486e+035 s^34 + 1.505e+036 s^33 + 2.514e+03 6 s^32 + 3.957e+036 s^31 + 5.867e+036 s^30 + 8.189e+036 s^29 + 1.075e+037 s^28 + 1.328e+037 s^27 + 1.54e+037 s^26 + 1.676e+037 s^25 + 1.711e+037 s^24 + 1.636e+037 s^23 + 1.463e+037 s^22 + 1.221e+037 s^21 + 9.51e+036 s^20 + 6.89e+036 s^19 + 4.636e+036 s ^18 + 2.889e+036 s^17 + 1.663e+036 s^16 + 8.82e+035 s^15 + 4.291e+035 s^14 + 1.908e+035 s^13 + 7.714e+034 s^12 + 2.82e+034 s^1 1 + 9.263e+033 s^10 + 2.711e+033 s^9 + 7.001e+032 s^8 + 1.576e+032 s^7 + 3.045e+031 s^6 + 4.949e+030 s^5 + 6.577e+029 s^4 + 6. 865e+028 s^3 + 5.277e+027 s^2 + 2.656e+026 s + 6.564e+024 y1: ------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------ ----------------------------------------------------------------------------------------- s^76 + 177.5 s^75 + 1.549e+004 s^74 + 8.865e+005 s^73 + 3.74e+007 s^72 + 1.241e+009 s^71 + 3.37e+010 s^70 + 7.708e+011 s ^69 + 1.515e+013 s^68 + 2.6e+014 s^67 + 3.942e+015 s^66 + 5.334e+016 s^65 + 6.49e+017 s^64 + 7.152e+018 s^63 + 7.177e+019 s^62 + 6.591e+020 s^61 + 5.562e+021 s^60 + 4.329e+022 s^59 + 3.117e+023 s^58 + 2.082e+024 s^57 + 1.294e+025 s^56 + 7.492e+025 s^55 + 4.052e+026 s^54 + 2.05e+027 s^53 + 9.717e+027 s^52 + 4.321e+028 s^51 + 1.805e+029 s^50 + 7.091e+029 s^49 + 2.622e+030 s^48 + 9.133e+030 s^47 + 2.999e+031 s^46 + 9.291e+031 s^45 + 2.717e+032 s^44 + 7.501e+032 s^43 + 1.957e+033 s^42 + 4.823e+033 s^41 + 1.124e+034 s^40 + 2.475e+034 s^39 + 5.155e+034 s^38 + 1.015e+035 s^37 + 1.89e+035 s^36 + 3.326e+035 s^35 + 5.533e+035 s^34 + 8.698e+035 s^33 + 1.292e+036 s^32 + 1.811e+036 s^31 + 2.397e+036 s^30 + 2.992e+036 s^29 + 3.521e+036 s^28 + 3.903e+036 s^27 + 4.071e+036 s^26 + 3.993e+036 s^25 + 3.678e+036 s^24 + 3.179e+036 s^23 + 2.573e+036 s^22 + 1.948e+036 s^21 + 1.377e+036 s^20 + 9.073e+035 s^19 + 5.558e+035 s^18 + 3.158e+035 s^17 + 1.66e+035 s^16 + 8.045e+034 s^15 + 3.582e+034 s^14 + 1.459e+034 s^13 + 5.411e+033 s^12 + 1.817e+033 s^11 + 5.485e+032 s^10 + 1.477e+032 s^9 + 3.515e+031 s^8 + 7.296e+030 s^7 + 1.301e+030 s^6 + 1.95 4e+029 s^5 + 2.402e+028 s^4 + 2.321e+027 s^3 + 1.653e+026 s^2 + 7.717e+024 s + 1.771e+023 436 s^72 + 7.492e+004 s^71 + 6.328e+006 s^70 + 3.501e+008 s^69 + 1.427e+010 s^68 + 4.573e+0 11 s^67 + 1.199e+013 s^66 + 2.645e+014 s^65 + 5.012e+015 s^64 + 8.282e+016 s^63 + 1.208e+018 s^62 + 1.572e+019 s^61 + 1.838e+0 20 s^60 + 1.944e+021 s^59 + 1.871e+022 s^58 + 1.646e+023 s^57 + 1.33e+024 s^56 + 9.896e+024 s^55 + 6.806e+025 s^54 + 4.338e+02 6 s^53 + 2.569e+027 s^52 + 1.416e+028 s^51 + 7.28e+028 s^50 + 3.497e+029 s^49 + 1.572e+030 s^48 + 6.616e+030 s^47 + 2.613e+031 s^46 + 9.686e+031 s^45 + 3.374e+032 s^44 + 1.105e+033 s^43 + 3.408e+033 s^42 + 9.891e+033 s^41 + 2.704e+034 s^40 + 6.967e+034 s^39 + 1.692e+035 s^38 + 3.873e+035 s^37 + 8.361e+035 s^36 + 1.702e+036 s^35 + 3.265e+036 s^34 + 5.907e+036 s^33 + 1.007e+037 s^32 + 1.618e+037 s^31 + 2.447e+037 s^30 + 3.486e+037 s^29 + 4.671e+037 s^28 + 5.885e+037 s^27 + 6.966e+037 s^26 + 7.739e+037 s^25 + 8.061e+037 s^24 + 7.865e+037 s^23 + 7.176e+037 s^22 + 6.116e+037 s^21 + 4.859e+037 s^20 + 3.592e+037 s^19 + 2.466e+037 s^18 + 1.569e+037 s^17 + 9.215e+036 s^16 + 4.985e+036 s^15 + 2.475e+036 s^14 + 1.123e+036 s^13 + 4.631e+035 s^12 + 1.727e+035 s^11 + 5.787e+034 s^10 + 1.727e+034 s^9 + 4.55e+033 s^8 + 1.045e+033 s^7 + 2.059e+032 s^6 + 3.412e+031 s^5 + 4.625e+030 s^4 + 4.922e+029 s^3 + 3.857e+028 s^2 + 1.979e+027 s + 4.987e+025 y2: ------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------ ----------------------------------------------------------------------------------------- s^76 + 177.5 s^75 + 1.549e+004 s^74 + 8.865e+005 s^73 + 3.74e+007 s^72 + 1.241e+009 s^71 + 3.37e+010 s^70 + 7.708e+011 s ^69 + 1.515e+013 s^68 + 2.6e+014 s^67 + 3.942e+015 s^66 + 5.334e+016 s^65 + 6.49e+017 s^64 + 7.152e+018 s^63 + 7.177e+019 s^62 + 6.591e+020 s^61 + 5.562e+021 s^60 + 4.329e+022 s^59 + 3.117e+023 s^58 + 2.082e+024 s^57 + 1.294e+025 s^56 + 7.492e+025 s^55 + 4.052e+026 s^54 + 2.05e+027 s^53 + 9.717e+027 s^52 + 4.321e+028 s^51 + 1.805e+029 s^50 + 7.091e+029 s^49 + 2.622e+030 s^48 + 9.133e+030 s^47 + 2.999e+031 s^46 + 9.291e+031 s^45 + 2.717e+032 s^44 + 7.501e+032 s^43 + 1.957e+033 s^42 + 4.823e+033 s^41 + 1.124e+034 s^40 + 2.475e+034 s^39 + 5.155e+034 s^38 + 1.015e+035 s^37 + 1.89e+035 s^36 + 3.326e+035 s^35 + 5.533e+035 s^34 + 8.698e+035 s^33 + 1.292e+036 s^32 + 1.811e+036 s^31 + 2.397e+036 s^30 + 2.992e+036 s^29 + 3.521e+036 s^28 + 3.903e+036 s^27 + 4.071e+036 s^26 + 3.993e+036 s^25 + 3.678e+036 s^24 + 3.179e+036 s^23 + 2.573e+036 s^22 + 1.948e+036 s^21 + 1.377e+036 s^20 + 9.073e+035 s^19 + 5.558e+035 s^18 + 3.158e+035 s^17 + 1.66e+035 s^16 + 8.045e+034 s^15 + 3.582e+034 s^14 + 1.459e+034 s^13 + 5.411e+033 s^12 + 1.817e+033 s^11 + 5.485e+032 s^10 + 1.477e+032 s^9 + 3.515e+031 s^8 + 7.296e+030 s^7 + 1.301e+030 s^6 + 1.95 4e+029 s^5 + 2.402e+028 s^4 + 2.321e+027 s^3 + 1.653e+026 s^2 + 7.717e+024 s + 1.771e+023 Continuous-time model. >> a5 error: 'a5' undefined near line 1 column 1