Generate Trapezoid Growth Function

A function factor to generate trapezoidal growth functions.

Usage

growth_trapezoid_factory(Tmin, Topt, Topt2, Tmax)

Arguments

Tmin

A positive real number of the minimum mean daily water temperature for growth.

Topt

A positive real number of the optimum mean daily water temperature for growth.

Topt2

A positive real number of the upper optimum mean daily water temperature for growth.

Tmax

A positive real number of the maximum mean daily water temperature for growth.

Value

A double vector of the growth metric.

See also

Other growth: growth_days(), growth_degdays(), growth_pgti_factory()

Examples

growth_trapezoid_factory(3,10,12,17)(1:20)
#>  [1] 0.0000000 0.0000000 0.0000000 0.1428571 0.2857143 0.4285714 0.5714286
#>  [8] 0.7142857 0.8571429 1.0000000 1.0000000 1.0000000 0.8000000 0.6000000
#> [15] 0.4000000 0.2000000 0.0000000 0.0000000 0.0000000 0.0000000