λ
f * ( x )
λ = 0.2
f * ( x ) = x
λ = 0.3
f * ( x ) = ( x − 3423.18 ) +
λ = 0.4
f * ( x ) = ( x − 3170.09 ) +
λ = 0.6
f * ( x ) = ( x − 4605.17 ) +