dcjones/Gadfly.jl — pull request #369 by mzalam (2014-07-22 17:05:26+00:00)
Title: Add simple dual axis plot

neither in mathematica nor in matlab there is a straight forward way to plotting dual axis plots. May be Gadfly can help by designing a command like the following

plot( f1, f2, x , y1, y2, dualYaxis-> true )