怎样用matlab求下面这个微分的曲线.F=-dV./dD其中V(D)=-8.3.*10.^−21./6.*(2.*0.0000010.^2./(D.^2+4.*0.0000010.*D)+2.*0.0000010.^2./(D+2.*0.0000010).^2+log(1-4.*0.0000010.^2./(D+2.*0.0000010).^2))想做出F和D之间关系的曲线

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怎样用matlab求下面这个微分的曲线.
F=-dV./dD
其中
V(D)=-8.3.*10.^−21./6.*(2.*0.0000010.^2./(D.^2+4.*0.0000010.*D)+2.*0.0000010.^2./(D+2.*0.0000010).^2+log(1-4.*0.0000010.^2./(D+2.*0.0000010).^2))
想做出F和D之间关系的曲线

syms D
>> V=-8.3.*10.^-21./6.*(2.*0.0000010.^2./(D.^2+4.*0.0000010.*D)+2.*0.0000010.^2./(D+2.*0.0000010).^2+log(1-4.*0.0000010.^2./(D+2.*0.0000010).^2));
>> F=-diff(V,D)
>> ezplot(F)