matlab x=[5,10,20,30,40,50] y=[0.0071,0.021,0.050,0.130,0.388,0.62] 编写求出其关系式的程序附图
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x=[5,10,20,30,40,50];
y=[0.0071,0.021,0.050,0.130,0.388,0.62] ;
a=polyfit(x,y,1);
y1=a(1)*x+a(2);
plot(x,y,'.',x,y1,'r');
y= 0.0133*x -0.1413
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