mantao/Gnuplot.jl
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Giorgio Calderone 2020-04-02 00:27:57 +02:00
parent 3e92bbe468
commit 8dcdd13e86
1 changed files with 2 additions and 2 deletions
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@ -40,9 +40,9 @@ save("parabola.gp") # => save a script file with both data and command to re-cr
```julia ```julia
x = -2pi:0.1:2pi x = -2pi:0.1:2pi
approx = fill(0., length(x)); approx = fill(0., length(x));
@gp t="Polynomial approximation of sin(x)" key="opaque" @gp t="Polynomial approximation of sin(x)" key="opaque" linetypes(:Blues_3)
@gp :- "set encoding utf8" raw"""set xtics ('-π' -pi, 'π/2' -pi/2, 0, 'π/2' pi/2, 'π' pi)""" @gp :- "set encoding utf8" raw"""set xtics ('-π' -pi, 'π/2' -pi/2, 0, 'π/2' pi/2, 'π' pi)"""
@gp :- xr=3.8.*[-1, 1] yr=[-1.5,1.5] @gp :- xr=3.8.*[-1, 1] yr=[-1.5,1.5] "set grid"
@gp :- x sin.(x) approx .+= x "w filledcurve t 'n=0' lt 1" @gp :- x sin.(x) approx .+= x "w filledcurve t 'n=0' lt 1"
@gp :- x sin.(x) approx .+= -x.^3/6 "w filledcurve t 'n=1' lt 2" @gp :- x sin.(x) approx .+= -x.^3/6 "w filledcurve t 'n=1' lt 2"
@gp :- x sin.(x) approx .+= x.^5/120 "w filledcurve t 'n=2' lt 3" @gp :- x sin.(x) approx .+= x.^5/120 "w filledcurve t 'n=2' lt 3"