已知三组数据,怎么用MATLAB找出他们的函数关系(程序) 10
x=[35.53636.18936.31336.62236.63436.66936.72536.78636.83336.83437.1637.279]y=[72.9462...
x=[ 35.536 36.189 36.313 36.622 36.634 36.669 36.725 36.786 36.833 36.834 37.16 37.279 ]
y=[ 72.9462 71.6198 70.1434 70.7261 70.7496 72.4938 71.492 69.8921 72.1837 71.5808 80.4128 73.1672 ]
z=[7.894167 7.784833 7.787833 7.746333 7.822833 7.8485 7.872 7.804833 7.9015 7.840333 7.969 8.317 ] 展开
y=[ 72.9462 71.6198 70.1434 70.7261 70.7496 72.4938 71.492 69.8921 72.1837 71.5808 80.4128 73.1672 ]
z=[7.894167 7.784833 7.787833 7.746333 7.822833 7.8485 7.872 7.804833 7.9015 7.840333 7.969 8.317 ] 展开
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可以采用,多元多项式回归:z=b+K1*x+K2*x^2+...Kn*x^n+H1*y+H2*y^2+...Hn*y^n+P1*x1*y1+Pn*x^n*y^n
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