Specifications

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Finally, in the Value field select OptStudy.Metab.Val and look carefully at the plot. You will see that an
additional polyline has been added. It originates approximately at the middle of the surface and shows the
path the optimization process has taken through the design space to the minimum point. You can change
the color of the line by clicking the leftmost button (Properties) in the toolbar directly over the graphics
pane. This gives you access to all the settings and lets you control the appearance of graphs in detail. In the
picture below we have selected RGB = {0,0,1}, i.e. blue, for Series1 and Thickness = 2: