/Designs/Tools/reflow02/DOC/test/plot.gp
0,0 → 1,21
set terminal png
set output "profile.png"
 
set yrange [0:300]
set xrange [0:1200]
 
set key under
set xlabel "Time [s]"
set ylabel "Temperature [°C]"
 
f(x)= k*x + q
fit [0:380] f(x) "data.txt" using 1:4 via k,q
 
a=k
b=q
 
g(x)= a*x + b
fit [479:585] g(x) "data.txt" using 1:4 via a,b
 
 
plot "data.txt" using 1:4 with points title "measured points", f(x), g(x)