$\lambda$

$f^{\mathrm{<mo>\; *\; </mo>}}\left(x\right)$

$\lambda =0.2$

$f^{*}\left(x\right)=x$

$\lambda =0.3$

$f^{*}\left(x\right)={\left(x-3423.18\right)}_{+}$

$\lambda =0.4$

$f^{*}\left(x\right)={\left(x-3170.09\right)}_{+}$

$\lambda =0.6$

$f^{*}\left(x\right)={\left(x-4605.17\right)}_{+}$