1.
绾挎�ф渶灏忎簩涔樻硶
x=[19 25 31 38 44]';
y=[19.0 32.3 49.0 73.3 97.8]';
r=[ones(5,1),x.^2];
ab=r\y
% if AB=C then B=A\C
x0=19:0.1:44;
y0=ab(1)+ab(2)*x0.^2;
plot(x,y,
'o'
,x0,y0,
'r'
)
杩愯缁撴灉锛?/p>
1.
绾挎�ф渶灏忎簩涔樻硶
x=[19 25 31 38 44]';
y=[19.0 32.3 49.0 73.3 97.8]';
r=[ones(5,1),x.^2];
ab=r\y
% if AB=C then B=A\C
x0=19:0.1:44;
y0=ab(1)+ab(2)*x0.^2;
plot(x,y,
'o'
,x0,y0,
'r'
)
杩愯缁撴灉锛?/p>