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< align=left><FONT size=3>某年美国旧车价格的调查资料如表<FONT face="Times New Roman">5.4 ,</FONT>其中</FONT><SUB><v:shape><FONT size=3><FONT face="Times New Roman">x <v:stroke joinstyle="miter"></v:stroke><v:imagedata></v:imagedata><v:formulas></v:formulas><v:path connecttype="segments"></v:path></FONT></FONT></v:shape></SUB><FONT size=3>表示轿车的使用年数,</FONT><SUB><v:shape><FONT size=3><FONT face="Times New Roman">y <v:stroke joinstyle="miter"></v:stroke><v:imagedata></v:imagedata><v:formulas></v:formulas><v:path connecttype="segments"></v:path></FONT></FONT></v:shape></SUB><FONT size=3>表示相应的平均价格。试分析用什么形式的曲线来拟合上述的数据,并预测使用<FONT face="Times New Roman">4</FONT>、<FONT face="Times New Roman">5</FONT>年后轿车的平均价格大致为多少x=1:10,y=2615,1943,1494,1475,1564,1245,2456,2541,2541,2456</FONT></P>
< align=left><FONT size=3> 我刚学MATLAB,还请大虾指导</FONT></P>
< align=left><FONT size=3><FONT face="Times New Roman"> <v:shapetype> <v:stroke joinstyle="miter"></v:stroke><v:formulas><v:f eqn="if lineDrawn pixelLineWidth 0"></v:f><v:f eqn="sum @0 1 0"></v:f><v:f eqn="sum 0 0 @1"></v:f><v:f eqn="prod @2 1 2"></v:f><v:f eqn="prod @3 21600 pixelWidth"></v:f><v:f eqn="prod @3 21600 pixelHeight"></v:f><v:f eqn="sum @0 0 1"></v:f><v:f eqn="prod @6 1 2"></v:f><v:f eqn="prod @7 21600 pixelWidth"></v:f><v:f eqn="sum @8 21600 0"></v:f><v:f eqn="prod @7 21600 pixelHeight"></v:f><v:f eqn="sum @10 21600 0"></v:f></v:formulas><v:path connecttype="rect" gradientshapeok="t" extrusionok="f"></v:path><lock aspectratio="t" v:ext="edit"></lock></v:shapetype></FONT></FONT><v:shape><v:imagedata></v:imagedata></v:shape><p></p></P>
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