docs: public void addDependentVariables(Variable ... depVars) {
  		ArrayList<Variable> newDepVars = new ArrayList<Variable>();
  		for (Variable v : this.dependentVariables) newDepVars.add(v);
  		for (Variable v : depVars) newDepVars.add(v);
  		this.dependentVariables = newDepVars.toArray(new Variable[newDepVars.size()]);
  	}