非线性回归_matlab_非线性回归_回归_maybehnd_源码

clear clc x1=[352356.2 341060.4 374654.2 387391.9 397432.2 394512.8 351600 342844.7 297300]; x2=[27093.3 25555.3 20406.5 29122 32701.8 28841.1 18209.8 18306.9 12584]; x3=[808.8 879 533.8 574.2 750.8 927.5 1465.8 1910.6 2239.6]; x4=[3787.30 4601.70 4534.90 3940.40 3921.5 4103.35 4159.70 4051.90 5081.70]; x5=[50.71 51.06 50.76 50.43 49.46 49.26 49.38 53.74 54.11]; y=[585 590 577.5 595 617.5 622.5 632.5 630 647.5]'; X=[ones(9,1) (x1/365)' ((x2/365).^2)' ((x3/365).^2)' (x4/30)' (x5.^2)']; [b,bint,r,rint,stats]=regress(y,X); rcoplot(r,rint);