# set terminal pngcairo  transparent enhanced fontscale 1.0 size 600, 400 
# set output 'fit.1.png'
set key bmargin center horizontal Right noreverse enhanced autotitle nobox
set title "data set and initial parameters" 
set xlabel "Temperature T (°C)" 
set ylabel "Density (g/cm^3)" 
l(x) = y0 + m*x
NO_ANIMATION = 1
myencoding = "utf8"
y0 = 1.1
m = -0.1
## Last datafile plotted: "lcdemo.dat"
plot 'lcdemo.dat', l(x)