Re: Nullcline and getting "2" values for y

*To*: mathgroup at smc.vnet.net*Subject*: [mg81540] Re: Nullcline and getting "2" values for y*From*: Alois Steindl <Alois.Steindl at tuwien.ac.at>*Date*: Wed, 26 Sep 2007 21:44:07 -0400 (EDT)*Organization*: Inst. f. Mechanics II, TU Vienna*References*: <fd7s8h$cgc$1@smc.vnet.net> <fddbt8$1o1$1@smc.vnet.net>

Hello, it seems to me that the OP just didn't realize that he indeed plotted y over f: The first function in ParametricPlot gives the x-axis, the second one the y-axis. So he plotted the curve "y(f)". Since f is non-monotone, he obtained 2 y-values for every f in the range. Alois