$\eta$

$f\left(\eta \right)$

$\left(R-K4\right)$

$\beta \left(\eta \right)$

$\left(R-K4\right)$

$\varphi \left(\eta \right)$

$\eta$

0.0

1.0000000

1.0000000

1.00034465

1.00034465

0.99999077

0.99999077

0.1

0.9890195

0.9890195

1.0003445

1.0003445

0.9999908

0.9999908

0.2

0.9562698

0.9562698

1.0003437

1.0003437

0.9999910

0.9999910