请用MATLAB拟合三元三次多项式F(x,y,z)=a0+a1*x+a2*x^2+a3*x^3+a4*y+a5*y^2+a6*y^3+a7*z+a8*z^2+a9*z^3x=[45 40 30 25 25 25 25 18 18 10 10]; y=[45 35 45 35 25 45 25 25 45 35]; z=[2.81 3.31 3.50 5.02 7.05 8.43 9.77 6.74 9.88 4.53]; F=[7.4375 5.656
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![请用MATLAB拟合三元三次多项式F(x,y,z)=a0+a1*x+a2*x^2+a3*x^3+a4*y+a5*y^2+a6*y^3+a7*z+a8*z^2+a9*z^3x=[45 40 30 25 25 25 25 18 18 10 10]; y=[45 35 45 35 25 45 25 25 45 35]; z=[2.81 3.31 3.50 5.02 7.05 8.43 9.77 6.74 9.88 4.53]; F=[7.4375 5.656](/uploads/image/z/4479484-4-4.jpg?t=%E8%AF%B7%E7%94%A8MATLAB%E6%8B%9F%E5%90%88%E4%B8%89%E5%85%83%E4%B8%89%E6%AC%A1%E5%A4%9A%E9%A1%B9%E5%BC%8FF%28x%2Cy%2Cz%29%3Da0%2Ba1%2Ax%2Ba2%2Ax%5E2%2Ba3%2Ax%5E3%2Ba4%2Ay%2Ba5%2Ay%5E2%2Ba6%2Ay%5E3%2Ba7%2Az%2Ba8%2Az%5E2%2Ba9%2Az%5E3x%3D%5B45+40+30+25+25+25+25+18+18+10+10%5D%3B+y%3D%5B45+35+45+35+25+45+25+25+45+35%5D%3B+z%3D%5B2.81+3.31+3.50+5.02+7.05+8.43+9.77+6.74+9.88+4.53%5D%3B+F%3D%5B7.4375+5.656)
请用MATLAB拟合三元三次多项式F(x,y,z)=a0+a1*x+a2*x^2+a3*x^3+a4*y+a5*y^2+a6*y^3+a7*z+a8*z^2+a9*z^3x=[45 40 30 25 25 25 25 18 18 10 10]; y=[45 35 45 35 25 45 25 25 45 35]; z=[2.81 3.31 3.50 5.02 7.05 8.43 9.77 6.74 9.88 4.53]; F=[7.4375 5.656
请用MATLAB拟合三元三次多项式F(x,y,z)=a0+a1*x+a2*x^2+a3*x^3+a4*y+a5*y^2+a6*y^3+a7*z+a8*z^2+a9*z^3
x=[45 40 30 25 25 25 25 18 18 10 10]; y=[45 35 45 35 25 45 25 25 45 35]; z=[2.81 3.31 3.50 5.02 7.05 8.43 9.77 6.74 9.88 4.53]; F=[7.4375 5.6563 3.2500 2.6875 2.4688 2.2188 2.0313 2.5313 1.9375 3.2188] 拟合成上面形式的曲线,并确定a0等10个系数的值.
请用MATLAB拟合三元三次多项式F(x,y,z)=a0+a1*x+a2*x^2+a3*x^3+a4*y+a5*y^2+a6*y^3+a7*z+a8*z^2+a9*z^3x=[45 40 30 25 25 25 25 18 18 10 10]; y=[45 35 45 35 25 45 25 25 45 35]; z=[2.81 3.31 3.50 5.02 7.05 8.43 9.77 6.74 9.88 4.53]; F=[7.4375 5.656
你的问题看来是没有办法处理了,X有11个,Y、Z、F有10个,不知道你的X用那几个数呢?