1

Everything is in the title. My MWE is: 

set term post eps color enhanced "Times-Roman" 18
set encoding utf8

a = 0.5
f(x) = a*x/(1 + a*x)
c(x) = 0.95
x1=38

set xrange [0:100]
set yrange [0:1.2]
set arrow 1 from x1,graph 0 to x1,f(x1) lt 2 lc 3 nohead
set label 1 at x1,graph 0 "{/Symbol q_1}" textcolor 3 offset 0.5,0.75 
set label 2 at 0,0.95 "0.95" textcolor 7 offset -3.5,0 

set output 'test-label.eps' 
plot f(x) with line lw 2 lc 3 ,\
c(x) with line lw 2 lc 7

I would like to have \theta_1 in blue and 0.95 in red, but when I used this code (which I got from gnuplot 5.0 manual, p 133) I get the error : colorspec option not recognized

Any hint welcomed

DRi
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  • The doc for `set label` gives you a bunch of examples what a `` is, like: `textcolor lt 7`. See also https://stackoverflow.com/a/11220408/2604213 – Christoph Apr 25 '18 at 15:23
  • @Christoph It is OK, Thanks a lot. I read "{textcolor }", but not the following pages and I thought that was the color, it was dumb. Sorry for the trouble – DRi Apr 25 '18 at 15:27

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