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?](/uploads/image/z/8802113-41-3.jpg?t=matlab+%3E%3E+syms+x+y+z+a+b+cy%3D16.7143%2Ax%5E2-46.227%2Ax%2B36.3129%3Bz%3D0.273%2B%280.1338%2Ay%29%2F%28100-y%29%3Ba%3D%28%28890.939%2B179.24%2Ax%29%2A%28100-y%29%29%2F23953%3Bf2%3Dz%2Ba%3Bf3%3Ddiff%28f2%2Cx%29%3Bf3%3D0%E6%80%8E%E4%B9%88%E6%B1%82%E8%A7%A3+%E7%9B%B4%E6%8E%A5%E7%94%A8SOLVE%28F3%29%E5%AF%B9%E5%90%97%3F)
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