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- % Oc5_1b_RegressaoLinearAjusteParabola
- clc;
- % Regressão linear com reta como modelo
- x=[0.25; 0.30; 0.36; 0.40; 0.50; 0.60; 0.70];
- y=[96; 60; 35; 24; 10; 5; 3];
- plot(x, y, 'or');
- hold on;
- F=[ones(length(x),1) x 1./x];
- p=inv(F'*F)*(F'*y);
- residual=norm(F*p-y);
- xn=[0.25:0.01:0.70];
- yn=p(1)+ p(2)*xn + p(3)./xn;
- plot(xn, yn);
- axis([0.2 1.0 0 100]);
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