# set terminal pngcairo transparent enhanced font "arial,10" fontscale 1.0 size 600, 400 # set output 'singulr.7.png' set dummy u, v set style increment default set parametric set isosamples 21, 21 set hidden3d back offset 1 trianglepattern 3 undefined 1 altdiagonal bentover set style data lines set title "Imaginary part of complex cube root function" set urange [ -3.00000 : 3.00000 ] noreverse nowriteback set vrange [ -3.00000 : 3.00000 ] noreverse nowriteback set xrange [ * : * ] noreverse writeback set x2range [ * : * ] noreverse writeback set yrange [ * : * ] noreverse writeback set y2range [ * : * ] noreverse writeback set zrange [ * : * ] noreverse writeback set cbrange [ * : * ] noreverse writeback set rrange [ * : * ] noreverse writeback splot u**3-3*u*v**2,3*u**2*v-v**3,v