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1、小组成员：谭鮭2007211736李志雄2007211822李小宁2007211722题冃一：直删合。『将＞长和胸翩11加，再趣量以合，选择拟合效果動子的:第一步：在Matlab命令窗口输入cftool执行得到拟合工具箱第二仓
2、健个名为opt_us_fish的M文件^Editor—C:Progra>FilesMATLAB71workopt_us_fish.FileEditTextCellToolsDebugDesktopWindowHelpccSWAE桔电■■咱崔1-t=[61.6,53.1
3、371.7,61.6,53.7,76.9,58.8,53.7];2-p=[765,482,1162,737,482,1389,652,454];3-plot(t3p,?*?)执行后拟合JW最佳的，得到结果如下:setExclusionrule:]CentarandscalePolynomiallinearpolynomialquadraticpolynomialcubicpolynomial4thdegreepolynomialE+hACaCaCaTiT/T»Am1olWarningsduringf
4、itting:Equationisbadlyconditioned.Removerepeateddatapointsortrycenteringandscaling.LinearmodelPoly4:f(x)=pl*xA4+p2*xA3+p3*xA2+p4*x+p5Coefficients(with95%confidencebounds):pl=6.9e-011(-2.238e-010,3.618e-010)p2=-2.549e-007(-1.344e-006,&346e(07)p3=0.00033
5、09(-0.001117,0.001力8)p4=-0.151(-0.9579,0.6559)p5=74.47(-84.11,233.1)Goodnessoffit:SSE:1.161R-squaiB：0.9979AcljustedR-squai^:0.995RMSE:0.6221法二将5长与胸围相乘,再扉量鯛始,选择拟合效黏如的,结果如下:（步骤同上）tvs.pPolynomialset：Typeof£it：Exclusionrule：(none)linearpolynomialquadraticp
6、olynomialcubicpolynomialA—■*1*4thdegreepolynomialV]CenterandscaleXht包PolynomialBEditor一C:Progra>FilesMATLAB71Torkopt_us_fish2.>I-II.rFile%itTextCellToolsDebugRgsktopWindowHelpD“■
7、X■IBGCBase7
8、1-t=[912.64,677.34,1222.02,912.64,693.36,1434.18,822.11,6
9、93.36];2-p=[765,482,1162,737,48231389,652,454];3-plot(t,Warningsduringfitting:Equationisbadlyconditioned.Removerepeateddatapointsortrycenteringandscaling.LinearmodelPoly4:Rx)=pl*xA4+p2*xA3+p3*"2+p4*x+p5Coefficients(with95%confidencebounds):pl=3.195e-00
10、9(A077e-009,L047e-008)p2=-1.164e-005(-3.87e-005,1.542e-005)P3=0.01518(-0.02077,0.05113)p4=-7.549(-27.59,12.49)P5=1935(-2004,5874)Goodnessoffit:SSE:刀6.1R-squai^:0.9986AdjustedR-square:0.9968RMSE:15.45拟合冰。豳加4啊顾删加宙佃毗I⑵7*（1）7f仆砂咖顷僦»EiraW>WW切WW/VWBWW:»W:衽蛍°
11、«WWWI理W里WWW'帰彩口创酗。醯处超K僦跚时蚂隈匸日网
