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1 set terminal png 1 set terminal png
2 set output "linearita.png" 2 set output "linearita.png"
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4 f(x)=k*x + q 4 f(x)=k*x + q
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6 fit f(x) "mereni_rozsahu.txt" using 1:2 via k, q 6 fit f(x) "prevod.txt" using 1:2 via k, q
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8 plot "mereni_rozsahu.txt" using 1:2 with points, f(x) 8 plot "prevod.txt" using 1:2 with points, f(x)