matlab求微分方程组'Dx=-10^-6*x^2+5.475*10^-5*y','Dy=-10^-6*y^2-5.475*10^-5*x+1.35*10^-6*z','Dz=9.8-6*z^2-7.5*sqrt(x^2+y^2)'

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matlab求微分方程组''Dx=-10^-6*x^2+5.475*10^-5*y'',''Dy=-10^-6*y^2-5.475*10^-5*x+1.35*10^-6*z'',''Dz=9.8-6*z^2-7

matlab求微分方程组'Dx=-10^-6*x^2+5.475*10^-5*y','Dy=-10^-6*y^2-5.475*10^-5*x+1.35*10^-6*z','Dz=9.8-6*z^2-7.5*sqrt(x^2+y^2)'
matlab求微分方程组
'Dx=-10^-6*x^2+5.475*10^-5*y','Dy=-10^-6*y^2-5.475*10^-5*x+1.35*10^-6*z','Dz=9.8-6*z^2-7.5*sqrt(x^2+y^2)'

matlab求微分方程组'Dx=-10^-6*x^2+5.475*10^-5*y','Dy=-10^-6*y^2-5.475*10^-5*x+1.35*10^-6*z','Dz=9.8-6*z^2-7.5*sqrt(x^2+y^2)'
无显示表达式,无法用初等函数表示.
dsolve('Dx=-10^-6*x^2+5.475*10^-5*y','Dy=-10^-6*y^2-5.475*10^-5*x+1.35*10^-6*z','Dz=9.8-6*z^2-7.5*sqrt(x^2+y^2)','t')
但可以去求数值解.