Sentence examples for dummy activities from inspiring English sources

In an activity list (lambda), all jobs (including the dummy activities) are included once.

We extended all 480 PSPLIB instances from the set j30 with 30 real activities and two dummy activities as described.

We use the so-called dummy activities 0 and (J+1) with a duration of 0 periods and no resource consumption to represent the distinct start and end of the project.

Table 4 Numerical results over time for small projects with 30 non-dummy activities Open image in new window.

Figure 2 displays network of this project with eight non-dummy activities and the total of ten activities.

Table 6 Numerical results over time for largeprojects with 120 non-dummy activities Open image in new window.

For the 270 comparatively small projects with 30 non-dummy activities in conjunction with a time limit of 30 s, we generated the results, as shown in Table 4.

The results for the 585 large projects with 120 non-dummy activities with a time limit of 120 s and up to 50,000 schedules are shown in Tables 6 and 7, respectively.

It is the revenue related to the finishing period of the dummy-activity (J+1) minus the total amount of overtime cost resulting from the schedule.

In a similar way, a tight and efficient upper bound for the latest finishing time (LFT_{J+1}) for the dummy ending activity (J+1) can be determined by constructing a feasible schedule with regular capacity using any heuristic procedure for the RCPSP.

Hence, the first and last entries of the activity list are always the (dummy) start and end activities.