Keywords: Negative frequency.svg A complex sinusoid with a negative frequency 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 2007-08-06 Mysid other versions left thumb 200px Russian Check categories 2008 November 21 en wikipedia Negative_frequency Wave Vocabulary Waves Transverse wave |