Removal Rate Function
Return the rate of removal of any state variable from the system This is called in the ODE derivs func
removalRateFuncDefault(varName, varValue, stateVarValues, time, washOut, parms)
varName
: (string) Name of state variable of interest (this is group name or a resource name - NOT a strain name)varValue
: (scalar) value of state variable of intereststateVarValues
: (named vector) values of all state variablestime
: (scalar) timewashOut
: (named vector) of wash out rates (per unit time) of groups and resources (specified in SysInfo files)parms
: List containing all system parameters(scalar) rate of removal (quantity per unit time) for the state variable varName