Obrázok:Logarithmic spiral.png

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Logarithmic_spiral.png (24KB, MIME : image/png)

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This graph of a logarithmic spiral was produced using the gnuplot program with input

# Output to png file:
set terminal png small color
set output "logarithmic_spiral.png"

# Same scale for both axes, half-size output:
set size ratio -1 0.5, 0.5

# More sample points to produce smoother picture:
set samples 170

# Axes in the center, no tick marks:
set zeroaxis
set noxtics
set noytics
set noborder
set polar

# set title "Logarithmic spiral (pitch 10 degrees)"

plot [-4*pi:4*pi] [-8:10] [-8:6] 1.19**t notitle

Last edition of the image by MarkSweep


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