纯跟踪carsim和matlab联合仿真模型

x_exp=[0,0.100000000000000,0.200000000000000,0.300000000000000,0.400000000000000,0.500000000000000,0.600000000000000,0.700000000000000,0.800000000000000,0.900000000000000,1,1.10000000000000,1.20000000000000,1.30000000000000,1.40000000000000,1.50000000000000,1.60000000000000,1.70000000000000,1.80000000000000,1.90000000000000,2,2.10000000000000,2.20000000000000,2.30000000000000,2.40000000000000,2.50000000000000,2.60000000000000,2.70000000000000,2.80000000000000,2.90000000000000,3,3.10000000000000,3.20000000000000,3.30000000000000,3.40000000000000,3.50000000000000,3.60000000000000,3.70000000000000,3.80000000000000,3.90000000000000,4,4.10000000000000,4.20000000000000,4.30000000000000,4.40000000000000,4.50000000000000,4.60000000000000,4.70000000000000,4.80000000000000,4.90000000000000,5,5.10000000000000,5.20000000000000,5.30000000000000,5.40000000000000,5.50000000000000,5.60000000000000,5.70000000000000,5.80000000000000,5.90000000000000,6,6.10000000000000,6.20000000000000,6.30000000000000,6.40000000000000,6.50000000000000,6.60000000000000,6.70000000000000,6.80000000000000,6.90000000000000,7,7.10000000000000,7.20000000000000,7.30000000000000,7.40000000000000,7.50000000000000,7.60000000000000,7.70000000000000,7.80000000000000,7.90000000000000,8,8.10000000000000,8.20000000000000,8.30000000000000,8.40000000000000,8.50000000000000,8.60000000000000,8.70000000000000,8.80000000000000,8.90000000000000,9,9.10000000000000,9.20000000000000,9.30000000000000,9.40000000000000,9.50000000000000,9.60000000000000,9.70000000000000,9.80000000000000,9.90000000000000,10,10.1000000000000,10.2000000000000,10.3000000000000,10.4000000000000,10.5000000000000,10.6000000000000,10.7000000000000,10.8000000000000,10.9000000000000,11,11.1000000000000,11.2000000000000,11.3000000000000,11.4000000000000,11.5000000000000,11.6000000000000,11.7000000000000,11.8000000000000,11.9000000000000,12,12.1000000000000,12.2000000000000,12.3000000000000,12.4000000000000,12.5000000000000,12.6000000000000,12.7000000000000,12.8000000000000,12.9000000000000,13,13.1000000000000,13.2000000000000,13.3000000000000,13.4000000000000,13.5000000000000,13.6000000000000,13.7000000000000,13.8000000000000,13.9000000000000,14,14.1000000000000,14.2000000000000,14.3000000000000,14.4000000000000,14.5000000000000,14.6000000000000,14.7000000000000,14.8000000000000,14.9000000000000,15,15.1000000000000,15.2000000000000,15.3000000000000,15.4000000000000,15.5000000000000,15.6000000000000,15.7000000000000,15.8000000000000,15.9000000000000,16,16.1000000000000,16.2000000000000,16.3000000000000,16.4000000000000,16.5000000000000,16.6000000000000,16.7000000000000,16.8000000000000,16.9000000000000,17,17.1000000000000,17.2000000000000,17.3000000000000,17.4000000000000,17.5000000000000,17.6000000000000,17.7000000000000,17.8000000000000,17.9000000000000,18,18.1000000000000,18.2000000000000,18.3000000000000,18.4000000000000,18.5000000000000,18.6000000000000,18.7000000000000,18.8000000000000,18.9000000000000,19,19.1000000000000,19.2000000000000,19.3000000000000,19.4000000000000,19.5000000000000,19.6000000000000,19.7000000000000,19.8000000000000,19.9000000000000,20,20.1000000000000,20.2000000000000,20.3000000000000,20.4000000000000,20.5000000000000,20.6000000000000,20.7000000000000,20.8000000000000,20.9000000000000,21,21.1000000000000,21.2000000000000,21.3000000000000,21.4000000000000,21.5000000000000,21.6000000000000,21.7000000000000,21.8000000000000,21.9000000000000,22,22.1000000000000,22.2000000000000,22.3000000000000,22.4000000000000,22.5000000000000,22.6000000000000,22.7000000000000,22.8000000000000,22.9000000000000,23,23.1000000000000,23.2000000000000,23.3000000000000,23.4000000000000,23.5000000000000,23.6000000000000,23.7000000000000,23.8000000000000,23.9000000000000,24,24.1000000000000,24.2000000000000,24.3000000000000,24.4000000000000,24.5000000000000,24.6000000000000,24.7000000000000,24.8000000000000,24.9000000000000,25,25.1000000000000,25.2000000000000,25.3000000000000,25.4000000000000,25.5000000000000,25.6000000000000,25.7000000000000,25.8000000000000,25.9000000000000,26,26.1000000000000,26.2000000000000,26.3000000000000,26.4000000000000,26.5000000000000,26.6000000000000,26.7000000000000,26.8000000000000,26.9000000000000,27,27.1000000000000,27.2000000000000,27.3000000000000,27.4000000000000,27.5000000000000,27.6000000000000,27.7000000000000,27.8000000000000,27.9000000000000,28,28.1000000000000,28.2000000000000,28.3000000000000,28.4000000000000,28.5000000000000,28.6000000000000,28.7000000000000,28.8000000000000,28.9000000000000,29,29.1000000000000,29.2000000000000,29.3000000000000,29.4000000000000,29.5000000000000,29.6000000000000,29.7000000000000,29.8000000000000,29.9000000000000,30,30.1000000000000,30.2000000000000,30.3000000000000,30.4000000000000,30.5000000000000,30.6000000000000,30.7000000000000,30.8000000000000,30.9000000000000,31,31.1000000000000,31.2000000000000,31.3000000000000,31.4000000000000,31.5000000000000,31.6000000000000,31.7000000000000,31.8000000000000,31.9000000000000,32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