# Various ways of plotting functions in polar coordinates # unset border set clip set polar set xtics axis nomirror set ytics axis nomirror unset rtics set samples 160 set zeroaxis set trange [0:2*pi] set title "Three circles (with aspect ratio distortion)" plot .5,1,1.5 |

set title "" set key box plot cos(2*t) |

plot 2*sqrt(cos(t)),-2*sqrt(cos(t)) |

plot sin(4*t),cos(4*t) set offset 0,0,0,0 |

set xrange [-5:5] set yrange [-5:5] plot t/cos(3*t) |

set autoscale plot 1-sin(t) |

set trange [0:12*pi] plot 2*t |

butterfly(x)=exp(cos(x))-2*cos(4*x)+sin(x/12)**5 set samples 800 set title "Butterfly" unset key plot butterfly(t) |

set polar set grid polar unset xtics unset ytics set border 0 set style fill solid 0.5 set rrange [0.1 : 4] set size square set key title "bounding radius 2.5" set key outside top right samplen 0.7 plot 3.+sin(t)*cos(5*t) with filledcurve above r=2.5 notitle,\ 3.+sin(t)*cos(5*t) with line |

# undo what we've done above |