EOQ(SCperf)
EOQ()所属R语言包:SCperf
Economic Order Quantity model
经济订货批量模型
译者:生物统计家园网 机器人LoveR
描述----------Description----------
Implements the classical Economic Order Quantity (EOQ) model and the EOQ model with planned shortages.
实现经典的经济订货量(EOQ)模型和计划短缺的EOQ模型。
用法----------Usage----------
EOQ(d, k, h, b = 0)
参数----------Arguments----------
参数:d
demand per unit time,
的每单位时间的需求,
参数:k
ordering or setup cost per unit time,
订购或单位时间内的安装费用,
参数:h
holding cost per unit time,
保持每单位时间的成本,
参数:b
shortage penalty cost per unit time (default:0).
短缺的惩罚成本每单位时间(默认值:0)。
Details
详细信息----------Details----------
The classical EOQ model assumes that the demand rate of units per time unit is constant and each new order is delivered in full when inventory reaches zero. Also a cost for each unit held in storage and a fixed cost for each order placed are considered. No shortages are allowed.
经典的EOQ模型假定每单位时间单位的需求率是恒定的,当库存达到零,每个新订单全部交付。同时,各单位在存储成本和固定成本为每个订单。没有短缺是允许的。
The optimal (the economic order) quantity that minimize the total cost associated with the purchase, delivery and storage is defined by Q=√(2Dk/h). When we relax the last assumption, that is, b is not equal to 0 we have the EOQ model with backorders.
最优的(经济秩序)的数量,最大限度地减少总成本与购买,运送和贮存是指由Q=√(2Dk/h)。当我们放松的最后一个假设,那就是,b is not equal to 0我们有缺货的EOQ模型。
值----------Value----------
EOQ() returns a list containing:
EOQ()返回一个列表,其中包含:
参数:Q
batch quantity,
批量,
参数:T
time between orders (cycle length or time),
订单之间的时间(周期长度或时间),
参数:S
maximum backorder in units,
单位的最高缺货,
参数:TVC
total variable cost.
总可变成本。
(作者)----------Author(s)----------
Marlene Silva Marchena <a href="mailto:marchenamarlene@gmail.com">marchenamarlene@gmail.com</a>
参考文献----------References----------
参见----------See Also----------
EPQ, Newsboy, WW
EPQ,Newsboy,WW
实例----------Examples----------
# Classical EOQ model#[古典EOQ模型#]
# Given demand d=8000 items per year; set up cost k=12000; and holding cost h=0.3[由于需求d = 8000项,每年设立成本K = 12000;和持有成本H = 0.3]
# per unit we find that the optimal solution is to order 25298 units every 3.2[单位,我们找到最佳的解决方案是订购25298单位每3.2]
# months with a total variable cost of $7589.5[一个总可变成本7589.5美元,个月,]
EOQ(8000,12000,0.3)
# EOQ model with planned shortages# [计划短缺的EOQ模型#]
# Consider now that backorders are allowed with a backorder cost b=1.1 per[现在考虑延期交货是允许与缺货成本= 1.1%]
# unit and year. Then the optimal solution is to order 28540 units every 3.6 months.[单位和年。然后,最佳解决方案是命令28540单位(每3.6个月)。]
# The total variable cost is $6727.3 and the maximum shortage is 6116 units. [至的总可变成本是6727.3美元,并的最大不足是6116个单位。]
EOQ(8000,12000,0.3,1.1)
转载请注明:出自 生物统计家园网(http://www.biostatistic.net)。
注:
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