Subversion Repositories svnkaklik

set terminal png

set key under

set grid

set angles degrees

set xlabel "Anodové napětí [V]"

set ylabel "Anodový proud [mA]"

f(x)=k*x +q

fit f(x) "emise.txt" using 1:2 via k,q

g(x)=a*x +b

fit g(x) "emise.txt" using 1:3 via a,b

h(x)=c*x +d

fit h(x) "emise.txt" using 1:4 via c,d

l(x)=e*x +m

fit l(x) "emise.txt" using 1:5 via e,m

n(x)=o*x +p

fit n(x) "emise.txt" using 1:6 via o,p

set output "emisni_proud.png"

plot "emise.txt" using 1:2 with points title "2276 [K]", f(x) title "", "" using 1:3 with points title "2486 [K]", g(x) title "" , "" using 1:4 with points title "2153 [K]", h(x) title "",  "emise.txt" using 1:5 with points title "2071 [K]", l(x) title "",  "emise.txt" using 1:2 with points  title "1975 [K]", n(x) title ""

#set print "emise_fit.txt"

print f(0)

print g(0)

print h(0)

print l(0)

print n(0)

set key off

set ylabel "Teplota katody [K]"

set xlabel "Příkon žhavení [W]"

set output "zhaveni.png"

plot "zhaveni.txt" using 1:2 with points