用matlab绘制汽车的行驶加速度曲线 n=600:10:4000; Tq=-19.313+295.27*(n/1000)-165.44*(n/1000).^2+40.874*(n/1000).^3-3.8445*(n/1000).^4; m=3880;g=9.8; nmin=600;nmax=4000; G=m*g; ig=[5.56 2.769 1.644 1.00 0.793]; nT=0.85;r=0.367; f=0.013;CDA=2.77;i0=5.83; L=3.2;a=...