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From: tobal <lop...@gm...> - 2013-05-30 16:43:00
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Thanks
I've solved like plot only one point, here's the code solved
set multiplot
set title 'Rectas Secantes'
set xrange [-4:5]
set yrange [-4:4]
set size ratio 1.0
set xzeroaxis lt 3 lw 2.0 lc rgb 'black'
set yzeroaxis lt 3 lw 2.0 lc rgb 'black'
set border 0
set xtics axis ('-4' -4, '-3' -3, '-2' -2, '-1' -1, ' ' 0, '1' 1, '2' 2, '3'
3, '4' 4, '5' 5)
set ytics axis ('-4' -4, '-3' -3, '-2' -2, '-1' -1, ' ' 0, '1' 1, '2' 2, '3'
3, '4' 4)
set format xy '%.0f'
set xlabel 'y' tc rgb 'blue'
set ylabel 'x' rotate by 360 center tc rgb 'blue'
set tics scale 0.5
set label 1 'P(3,1)' at 2.75, 1.5 tc rgb 'black'
plot (9-2*x)/3 title '2x + 3y = 9' lc rgb 'red', (3*x-4)/5 title '3x - 5y =
4' lc rgb 'blue'
set pointsize 2.0
set style line 1 lc rgb 'black' pt 7 # circle
unset key
plot '-' w p ls 1
3 1
e
set nomultiplot
I can't delete axis in set xtics because gnuplot doesn't draw the tics in
the axes.
With multiplot and the code
set pointsize 2.0
set style line 1 lc rgb 'black' pt 7 # circle
unset key
plot '-' w p ls 1
3 1
e
I can plot only one point.
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