The structure of the model is a mixed-integer nonlinear program (MINLP), the solution of which determines the optimal operating configuration, size, and operating conditions.
Finally, the paper deals with the optimum operating plant size due to the investment support available and the graduated tariff for green electricity in Austria.
But it should be noted that computational time depends on several factors such as processor speed, operating system, size of catch memory, and different software running (in the background) in the machine.
database variables were recoded into: operating list size as well as session, personnel and list factors.
The latter, in addition to operating list size, represented the utilization covariates investigated in this study.
The principal driver of theatre list utilization within this study was operating list size in both the DS and MT departments.
The model investigated the influence of: operating list size, individual surgeons and anaesthetists, late-starts, overruns, session type and theatre suite on utilization.
Operating list size (i.e. list-score units) was entered into the models as a continuous variable as it demonstrated a clear linear relationship with utilization in both DS and MT models.
In sequencing studies, the hope is that the operating effect sizes may be larger, but nevertheless Kiezun et al. [ 2012] suggested that, even for sequencing studies, many thousands of individuals will be required to achieve acceptable statistical power.
