matlab二元含三个参数的函数拟合求参数问题我急需要拟合出一个非线性函数,0.3058*(x-a)=b*(y^c),其中x=[1937,2623,3338],y=[0.000133,0.000379,0.00081],用sqcurvefit 怎么拟合 ,请问,y=[0.000133,0.000379,0.00081]时,0.3058

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matlab二元含三个参数的函数拟合求参数问题
我急需要拟合出一个非线性函数,0.3058*(x-a)=b*(y^c),其中x=[1937,2623,3338],y=[0.000133,0.000379,0.00081],用sqcurvefit 怎么拟合 ,
请问,y=[0.000133,0.000379,0.00081]时,0.3058*(x-a)=b*(y^c),其中x=[1937,2623,3338],y=[0.000133,0.000379,0.00081],拟合出来是多少啊,

x=[1937,2623,3338],y=[133,379,810],采用matlab cftool拟合的结果如图