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For example, " 1||" is a single-machine scheduling problem with no constraints, where the goal is to minimize the sum of completion times. The makespan-minimization problem 1|| C max {\displaystyle C_{\max }} , which is a common objective with multiple machines, is trivial with a single machine, since the makespan is always identical.
The open-shop scheduling problem can be solved in polynomial time for instances that have only two workstations or only two jobs. It may also be solved in polynomial time when all nonzero processing times are equal: in this case the problem becomes equivalent to edge coloring a bipartite graph that has the jobs and workstations as its vertices, and that has an edge for every job-workstation ...
Examples abound, one of the simplest being that for a double sequence a m,n: it is not necessarily the case that the operations of taking the limits as m → ∞ and as n → ∞ can be freely interchanged. [4] For example take a m,n = 2 m − n. in which taking the limit first with respect to n gives 0, and with respect to m gives ∞.
A limit order will not shift the market the way a market order might. The downsides to limit orders can be relatively modest: You may have to wait and wait for your price.
If the order in time between certain operations is not determined by the system, then a partial order is used. Examples of such operations are requesting a read operation, reading, writing, aborting, committing, requesting a lock, locking, etc. Often, only a subset of the transaction operation types are included in a schedule.
The travelling purchaser problem, the vehicle routing problem and the ring star problem [1] are three generalizations of TSP. The decision version of the TSP (where given a length L , the task is to decide whether the graph has a tour whose length is at most L ) belongs to the class of NP-complete problems.
An example of a discrete-time stationary process where the sample space is also discrete (so that the random variable may take one of N possible values) is a Bernoulli scheme. Other examples of a discrete-time stationary process with continuous sample space include some autoregressive and moving average processes which are both subsets of the ...
This page was last edited on 5 January 2006, at 00:50 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may ...