# set terminal pngcairo  transparent enhanced fontscale 1.0 size 600, 400 
# set output 'fit.1.png'
set bar 1.000000 front
set style circle radius graph 0.02, first 0.00000, 0.00000 
set style ellipse size graph 0.05, 0.03, first 0.00000 angle 0 units xy
set key bmargin center horizontal Right noreverse enhanced autotitle nobox
set style textbox transparent margins  1.0,  1.0 border
unset logscale
unset paxis 1 tics
unset paxis 2 tics
unset paxis 3 tics
unset paxis 4 tics
unset paxis 5 tics
unset paxis 6 tics
unset paxis 7 tics
set title "data set and initial parameters" 
set xlabel "Temperature T (°C)" 
set ylabel "Density (g/cm^3)" 
set paxis 1 range [ * : * ] noreverse nowriteback
set paxis 2 range [ * : * ] noreverse nowriteback
set paxis 3 range [ * : * ] noreverse nowriteback
set paxis 4 range [ * : * ] noreverse nowriteback
set paxis 5 range [ * : * ] noreverse nowriteback
set paxis 6 range [ * : * ] noreverse nowriteback
set paxis 7 range [ * : * ] noreverse nowriteback
set colorbox vertical origin screen 0.9, 0.2, 0 size screen 0.05, 0.6, 0 front  noinvert bdefault
l(x) = y0 + m*x
myencoding = "utf8"
y0 = 1.1
m = -0.1
GPFUN_l = "l(x) = y0 + m*x"
x = 0.0
## Last datafile plotted: "lcdemo.dat"
plot 'lcdemo.dat', l(x)