已知某应用中给出了一组上测量数据(xi, yi),(i=1,2,...,10)如下:(1,0),(2,0.5),(3,2),(4,1.5),(5,2),(6,2.5),(7,3),(8,4),(9,5),(10,4.5)根据这组数据,确定出的x和y之间函数关系为:y=a+bx。为确定待定系数a,b,根据最小二乘原理,由得:;则=,=,=。/ananas/latex/p/1989430/ananas/latex/p/1989818/ananas/latex/p/1391/ananas/latex/p/5883/ananas/latex/p/85394
已知某应用中给出了一组上测量数据(xi, yi),(i=1,2,...,10)如下:(1,0),(2,0.5),(3,2),(4,1.5),(5,2),(6,2.5),(7,3),(8,4),(9,5),(10,4.5)根据这组数据,确定出的x和y之间函数关系为:y=a+bx。为确定待定系数a,b,根据最小二乘原理,由得:;则=,=,=。/ananas/latex/p/1989430/ananas/latex/p/1989818/ananas/latex/p/1391/ananas/latex/p/5883/ananas/latex/p/85394
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