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function yy=modelyy(beta,X) beta(1)=0.01; beta(2)=0.01; beta(3)=0.01; beta(4)=1; beta(5)=1; beta(6)=1; X=[0.8344 0.8344 0.83440.83440.83440.83440.83440.83440.643690.643690.643690.643690.643690.643690.643690.643690.475660.475660.475660.475660.475660.475660.475660.475660.313690.313690.313690.313690.313690.313690.313690.313690.193220.193220.193220.193220.193220.193220.193220.193220.076190.076190.076190.076190.076190.076190.076190.07619 ; 0.049170.049170.049170.049170.049170.049170.049170.049170.138180.138180.138180.138180.138180.138180.138180.138180.21660.21660.21660.21660.21660.21660.21660.21660.314250.314250.314250.314250.314250.314250.314250.314250.348430.348430.348430.348430.348430.348430.348430.348430.381620.381620.381620.381620.381620.381620.381620.38162; 0.116430.116430.116430.116430.116430.116430.116430.116430.218130.218130.218130.218130.218130.218130.218130.218130.307730.307730.307730.307730.307730.307730.307730.307730.372060.372060.372060.372060.372060.372060.372060.372060.458350.458350.458350.458350.458350.458350.458350.458350.542190.542190.542190.542190.542190.542190.542190.54219 ]; x1=X(1, ;x2=X(2, ;x3=X(3, ;yy=beta(1)*(x3.^beta(4)).*(x1.^beta(5))+beta(2)*(x2.^beta(6)).*(x1.^beta(5))+beta(3).*(x2.^beta(6)).*(x3.^beta(4)).*(x1.^beta(5)) y=[-0.74902-1.21407-1.4978-1.95223-2.62027-3.01185-3.44631-4.15718-6.0564-6.27541-6.16532-6.5302-6.91305-7.07083-7.25056-7.61826-7.83295-7.91387-8.01999-8.49233-8.77173-8.94295-9.28688-9.69684-8.68284-8.72517-8.88405-9.154-9.47245-9.78111-10.02589-10.63754-16.74253-16.70236-16.50356-16.67801-16.74365-16.73124-16.8439-16.90399-3.59452-3.48176-3.60582-3.53522-3.5045-3.65771-3.98316-4.26017 ]; >> beta0=[0.01,0.01,0.01,1,1,1]; >> [beta,r,j] = nlinfit(X,y,modelyy,beta0) ÔËÐнá¹û ??? Error using ==> fcnchk FUN must be a function, a valid string expression, or an inline function object. Error in ==> nlinfit at 72 model = fcnchk(model); Ôõô»ØÊ°¡ |
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