page_71 - and iterate 4 times SL(1 = SL(0 1/4(800-800(4.2...

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< previous page page_71 next page > Page 71 Figure 4.7 Symbols used in a system dynamics diagrammatic representation with either DYNAMO or STELLA for use with the Apple Macintosh level at the start of the month SL (0) (the initial condition), plus the manufacturing input and minus the delivery output. If we were concerned with weekly changes (let us assume this is one-quarter (1/4) of a month) then we could write the following equation
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Unformatted text preview: and iterate 4 times SL (1) = SL (0) + 1/4(800-800) (4.2) Equations 4.1 and 4.2 show that we can in fact generalise SL (current) = SL (one time interval earlier) + (length of the time interval)*( M-D ) (4.3) where M is manufacturing or input rate and D is delivery or output rate. This can be simplified by using a small amount of notation shown below. < previous page page_71 next page >...
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This note was uploaded on 04/21/2011 for the course MGT 03 taught by Professor Kasra during the Spring '11 term at Tanta University.

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page_71 - and iterate 4 times SL(1 = SL(0 1/4(800-800(4.2...

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