用Matlab求常微分方程的解析解dv/dt=(G-F-bv)/mG=527.436*0.4536*9.8=2344.6 F=470.327*0.4536*9.8=2090.7 m=527.436*0.4536=239.24 b=0.08*0.4536*9.8/0.3048=1.1667参考答案是v(t)=217.6224*(-exp(-0.0048776*t)+1) 要有完整的程序代
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![用Matlab求常微分方程的解析解dv/dt=(G-F-bv)/mG=527.436*0.4536*9.8=2344.6 F=470.327*0.4536*9.8=2090.7 m=527.436*0.4536=239.24 b=0.08*0.4536*9.8/0.3048=1.1667参考答案是v(t)=217.6224*(-exp(-0.0048776*t)+1) 要有完整的程序代](/uploads/image/z/2477231-71-1.jpg?t=%E7%94%A8Matlab%E6%B1%82%E5%B8%B8%E5%BE%AE%E5%88%86%E6%96%B9%E7%A8%8B%E7%9A%84%E8%A7%A3%E6%9E%90%E8%A7%A3dv%2Fdt%3D%28G-F-bv%29%2FmG%3D527.436%2A0.4536%2A9.8%EF%BC%9D2344.6+F%3D470.327%2A0.4536%2A9.8%EF%BC%9D2090.7+m%3D527.436%2A0.4536%EF%BC%9D239.24+b%3D0.08%2A0.4536%2A9.8%2F0.3048%EF%BC%9D1.1667%E5%8F%82%E8%80%83%E7%AD%94%E6%A1%88%E6%98%AFv%28t%29%3D217.6224%2A%28-exp%28-0.0048776%2At%29%2B1%29+%E8%A6%81%E6%9C%89%E5%AE%8C%E6%95%B4%E7%9A%84%E7%A8%8B%E5%BA%8F%E4%BB%A3)
用Matlab求常微分方程的解析解dv/dt=(G-F-bv)/mG=527.436*0.4536*9.8=2344.6 F=470.327*0.4536*9.8=2090.7 m=527.436*0.4536=239.24 b=0.08*0.4536*9.8/0.3048=1.1667参考答案是v(t)=217.6224*(-exp(-0.0048776*t)+1) 要有完整的程序代
用Matlab求常微分方程的解析解
dv/dt=(G-F-bv)/m
G=527.436*0.4536*9.8=2344.6
F=470.327*0.4536*9.8=2090.7
m=527.436*0.4536=239.24
b=0.08*0.4536*9.8/0.3048=1.1667
参考答案是v(t)=217.6224*(-exp(-0.0048776*t)+1)
要有完整的程序代码,跪谢.
用Matlab求常微分方程的解析解dv/dt=(G-F-bv)/mG=527.436*0.4536*9.8=2344.6 F=470.327*0.4536*9.8=2090.7 m=527.436*0.4536=239.24 b=0.08*0.4536*9.8/0.3048=1.1667参考答案是v(t)=217.6224*(-exp(-0.0048776*t)+1) 要有完整的程序代
你这个方程应该是在初条件v(0)=0时解的咯,没有初条件matlab解不出来.语句如下(我现在没条件在软件中试,如果不行你告诉我再改~)
G=527.436*0.4536*9.8;F=470.327*0.4536*9.8;m=527.436*0.4536;b=0.08*0.4536*9.8/0.3048; ...,
dsolve('Dv=(G-F-b*v)/m','v(0)=0','t')
注意那个"(空格)...,"只是为了换行好看,可以不要的