matlab >> syms x y z a b cy=16.7143*x^2-46.227*x+36.3129;z=0.273+(0.1338*y)/(100-y);a=((890.939+179.24*x)*(100-y))/23953;f2=z+a;f3=diff(f2,x);f3=0怎么求解 直接用SOLVE(F3)对吗?
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matlab >> syms x y z a b cy=16.7143*x^2-46.227*x+36.3129;z=0.273+(0.1338*y)/(100-y);a=((890.939+179.24*x)*(100-y))/23953;f2=z+a;f3=diff(f2,x);f3=0怎么求解 直接用SOLVE(F3)对吗?
matlab
>> syms x y z a b c
y=16.7143*x^2-46.227*x+36.3129;
z=0.273+(0.1338*y)/(100-y);
a=((890.939+179.24*x)*(100-y))/23953;
f2=z+a;
f3=diff(f2,x);
f3=0怎么求解 直接用SOLVE(F3)对吗?
matlab >> syms x y z a b cy=16.7143*x^2-46.227*x+36.3129;z=0.273+(0.1338*y)/(100-y);a=((890.939+179.24*x)*(100-y))/23953;f2=z+a;f3=diff(f2,x);f3=0怎么求解 直接用SOLVE(F3)对吗?
是的
solve(f3)
ans =
3.9445465689598833643734182162712
-0.74568267970128715013587848090705
-1.2794115193397497824469342274386
1.8049754711835068904451375262386
3.5845534731497582998346141039013
-3.247505283157371899084195934334