If the Name of a MatLab variable is provided then it will use that data for the X-axis.

Fig.Plot(1..10).Index.Name = "Variable Name"

Variable Name:  (String)  The name of a valid MatLab variable

The data for this Named variable can either be set by using Execute in MatLab and create a variable or by using SetData to transfer data into a MatLab variable.

If this is not set then the X axis it assumes a uniform index for the X axis.

String:     "MatLab Variable Name"

Default:   ""