Re: [Gnuplot-info] Log scale not working?

[Thomas S. <t.s...@fz...>]

please append the two figures 'out.png' and 'out2.png'


Danilo Vargas wrote:
> 
> Hi guys,
> 
> I plotted a function with a regression and it worked fine as it could be
> seen on the figure out2.png, but when I tried to plot this same function
> with logscale, that is, I just added "set logscale xy" to my script, then
> the out.png appeared. But it did not seem right.
> 
> I am also pasting my script below:
> #!/usr/bin/gnuplot
> reset
> set logscale xy
> set xlabel "Problem Size"
> set ylabel "Function Evaluations"
> set terminal postscript enhanced
> set style data points
> set samples 1000
> set origin 0,0
> set title
> f(x) = (a)*(x**e)*(log(x)/log(2))
> g(x) = (k2)*(x**d)*(log(x)/log(2))
> h(x) = (k3)*(x**c)*(log(x)/log(2))
> fit f(x) "comparison" using 1:2 via e,a
> fit g(x) "comparison" using 1:3 via d,k2
> fit h(x) "comparison" using 1:4 via c,k3
> 
> plot [:][:] "comparison" using 1:2 noti "ECGA", \
> f(x) title "ECGA: O(m^{1.92}*log_2(m))", \
> "comparison" using 1:3 notitle "PhGA-a", \
> g(x) title "PhGA-a: O(m^{1.18}*log_2(m))", \
> "comparison" using 1:4 notitle "PhGA-b", \
> h(x) title "PhGA-b: O(m^{0.99}*log_2(m))"
> 
> Thanks in advance,
> -- 
> 
> Danilo
> 
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> 
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