# set terminal pngcairo  transparent enhanced font "arial,10" fontscale 1.0 size 600, 400 
# set output 'iterate.3.png'
set key title "Dynamic iteration limits" enhanced   center
set key fixed right top vertical Right noreverse enhanced autotitle box lt black linewidth 1.000 dashtype solid
set key noinvert samplen 4 spacing 1 width 0 height 1
set key opaque
set title "plot for [i=1:4] for [k=i:i] for [j=1:k] 10*k + cos(j*x)" 
NO_ANIMATION = 1
i = 4
k = 4
j = 4
## Last datafile plotted: "whale.dat"
plot for [i=1:4] for [k=i:i] for [j=1:k] 10*k + cos(j*x) lw j      title sprintf("k=%d  j=%d", i, j)