File:Negative frequency.svg

A complex sinusoid with a negative frequency.

6 August 2007(2007-08-06)

Self-made in gnuplot; based on en:Image:Negative frequency.png by en:User:Glogger. Gnuplot script:

set yrange [-2:5]
unset ytics
unset xtics
set ylabel "Amplitude"
set xlabel "Time"
unset key
set arrow from graph 0.4,0.5 to graph 0.3,0.4
set label "Real part" at graph 0.41,0.5
set arrow from graph 0.4,0.6 to graph 0.2,0.42
set label "Imaginary part" at graph 0.41,0.6
set term svg size 640,400 font "Arial,18"
set output "Negative frequency.svg"
plot sin(x),cos(x) lc rgbcolor "#AA00FF"

Mysid

See below.