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](/uploads/image/z/7830653-5-3.jpg?t=%E6%80%8E%E6%A0%B7%E7%94%A8matlab%E6%B1%82%E4%B8%8B%E9%9D%A2%E8%BF%99%E4%B8%AA%E5%BE%AE%E5%88%86%E7%9A%84%E6%9B%B2%E7%BA%BF.F%3D-dV.%2FdD%E5%85%B6%E4%B8%ADV%28D%29%3D-8.3.%2A10.%5E%26%238722%3B21.%2F6.%2A%282.%2A0.0000010.%5E2.%2F%28D.%5E2%2B4.%2A0.0000010.%2AD%29%2B2.%2A0.0000010.%5E2.%2F%28D%2B2.%2A0.0000010%29.%5E2%2Blog%281-4.%2A0.0000010.%5E2.%2F%28D%2B2.%2A0.0000010%29.%5E2%29%29%E6%83%B3%E5%81%9A%E5%87%BAF%E5%92%8CD%E4%B9%8B%E9%97%B4%E5%85%B3%E7%B3%BB%E7%9A%84%E6%9B%B2%E7%BA%BF)
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
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
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)