matlab，线性回归，怎么画图呢，我只能标出点，拟合的直线怎么画呢
y=[8.6543,15.4611,22.6468,29.8793,36.5264,43.4923,47.7314,52.5707,56.7236,57.1705,57.5441,57.6732]
x=(1:12)
第1个回答 推荐于2017-09-15
plot(x, y, 'k+');
hold on
p = polyfit(x, y, 1);
plot(x, polyval(p, x))本回答被提问者和网友采纳
hold on
p = polyfit(x, y, 1);
plot(x, polyval(p, x))本回答被提问者和网友采纳
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