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Matlab实现一元线性拟合pn = [9.6, 18.3, 29.0, 47.2, 71.1, 119.1,174.6];Deltapn = [8.7, 10.7, 18.2, 23.9, 48.0, 55.5, 82.7]; p = polyfit(pn,Deltapn,1); %调用内嵌函数，获得一元拟合地函数值x = linspace(0,200,100);y = p(1)* x + p(2);plot(x,y,'-');hold on plot(pn,Deltapn,'b*');