SEARCH MATHEMATICA 8 DOCUMENTATION

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Plot Legends Package Symbol

PlotLegend

PlotLegend
is an option for Plot, ListPlot, and related functions that assigns text to lines in a 2D plot to create a legend for that plot.

To use PlotLegend, you first need to load the Plot Legends Package using Needs["PlotLegends`"].

PlotLegend->{text₁, text₂, ...} assigns text to each line in the same fashion as PlotStyle.

PlotLegend also enables Plot and related functions to accept options for Legend, which will modify the legend produced.

Needs["PlotLegends`"]

Add a legend to a plot to identify curves: