h = 1

η ( t ) = 1

mincost Φ = 0.5951

when λ = 0

h = 1

η ( t ) = t

mincost Φ = 0.3313

when λ = 0

h = 0

η ( t ) = 1 t

mincost Φ = 0.1517

when λ = 0