Figure 9
The line plot is titled “Duration and E and T Curve with D Q N.” It features a shared horizontal axis labeled “Episodes,” ranging from 0 to 90, with major tick marks at intervals of 15. There are two vertical axes: the left vertical axis, labeled “Makespan” in blue text, ranges from 400 to 800 with major tick marks at 100 intervals; and the right vertical axis, labeled “E and T” in red text, ranges from 5000 to 40000 with major tick marks at 5000 intervals. Two distinct lines are plotted on the graph. The “Makespan” curve, depicted in blue, starts around 425 by Epdisode 0, rises sharply to peak at 850 by Episode 1, followed by a sharp decline and then sharp rise to 860 by Episode 7. From this point, the curve generally decreases with fluctuations and ends at 390 by Episode 96. The “E and T” curve, depicted in red, starts at 35000 by Episode 0, then drops below 20000 by Episode 13, and again rises to 35000 by Episode 17. From this point, the curves generally decreases, and ends at 390 by Episode 96. A legend is positioned in the top-right corner of the plot, clearly labeling the blue line as “Makespan” and the red line as “E and T.” Note: All the numerical data values are estimated.Makespan and earliness and tardiness curves. Source: Authors’ own work