"free schedule" is correct and can be used in written English.
For example, "I like having a free schedule on the weekends so I can spend time with my family."
In Queens I really have quite a free schedule, between feedings, and pacing back and forth, which I don't really have to do but I do it anyway, because the little kids seem to enjoy it, and I feel it is expected of me.
Since the transient state can be seen as an stochastic (trial-and-error) search for a collision free schedule, setting can be intuitively interpreted as reducing the time between trials which results in a faster search.
In networks using the 2-hop interference model, there are two main types of conflicts that should be avoided in order to achieve a collision free schedule: (1) primary conflict: observed if a node is scheduled to transmit and receive at the same time, and (2) secondary conflict: observed if a node is scheduled to receive from two different nodes simultaneously. .
Instead, I just go visit when it suits them and my virtually free schedule allows.
BMW also pays for refills under its four-year or 50,000-mile program of free scheduled maintenance.
But there are free scheduled tours from May to October, and, year-round, groups of 10 or more can call in advance and arrange private tours by church volunteers.
Mitsubishi ranked below the industry average in the most recent Initial Quality Survey by J.D. Power & Associates, but it is offering free scheduled maintenance for three years or 45,000 miles.
In an attempt to foster more good will, Land Rover gives Discovery owners free scheduled maintenance six times during the four-year (or 50,000-mile) limited warranty.
As with other Kias, there's a 10-year or 100,000-mile warranty; the Cadenza also offers free roadside assistance as well as free scheduled maintenance for three years or 37,500 miles.
MORE automakers are offering free scheduled maintenance as an incentive for customers to choose their brand, and to encourage existing owners to remain loyal when they are ready for their next vehicle.
In June, with the debut of its 2011 CTS Coupe, Cadillac said it would provide buyers of all 2011 Cadillacs free scheduled maintenance for four years or 50,000 miles.
