函数近似与回归分析

$\displaystyle{y=0.6233x+129.5721}$

$\displaystyle{y=-0.0168x^2+3.0867x+41.3745}$

$\displaystyle{y=0.0001x^3-0.0392x^2+4.6976x+3.1981}$

$\displaystyle{y=56.4834x^{0.2642}}$

$\displaystyle{y=134.4458\cdot1.0036^x}$

$\displaystyle{y=-20.1773+45.6282\cdot ln x}$

$\displaystyle{y=220.7742-\frac{3264.2257}{x}}$

$\displaystyle{y=e^{4.9012+0.0036x}}$