# # $Id: param.dem,v 1.1.1.1.2.1 1999/10/11 13:24:52 lhecking Exp $ # # Show some of the new parametric capabilities. # set parametric set dummy t set autoscale set samples 160 set title "" set key box set key below plot t,sin(t)/t title "t,sin(t)/t or sin(x)/x" pause -1 "Hit return to continue" plot sin(t)/t,t pause -1 "Hit return to continue" plot sin(t),cos(t) pause -1 "Hit return to continue" set xrange [-3:3] set yrange [-3:3] set title "Parametric Conic Sections" plot -t,t,cos(t),cos(2*t),2*cos(t),sin(t),-cosh(t),sinh(t) set title "" pause -1 "Hit return to continue" set xrange [-5:5] set yrange [-5:5] plot tan(t),t,t,tan(t) pause -1 "Hit return to continue" set trange [0.00001:3] plot t,log(t),-t,log(t),sin(t),t**2,-sin(t),t**2 pause -1 "Hit return to continue" set autoscale x set yrange [-1.5:1.5] set trange [0.0001:10*pi] plot sin(t)/t,cos(t)/t pause -1 "Hit return to continue" # undo what we've done above set noparametric set samples 160 set autoscale xy set title "" set offset 0,0,0,0 set key