File:Exponential distribution pdf.png

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Probability density function for the exponential distribution

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gnuplot source under GPL:

dexp(x,r) = r * exp(-r*x)
pexp(x,r) = 1 - exp(-r*x)

set samples 1001
set terminal postscript enhanced colour solid lw 2 "Times-Roman" 20
set output

set ytics 0.1

f(x,y) = dexp(x,y)
set key 4.3,1.4

#f(x,y) = pexp(x,y)
#set key 4.3,0.2

plot [0:5] \
    f(x, 0.5) title "{/Symbol l} = 0.5", \
    f(x, 1.0) title "{/Symbol l} = 1.0", \
    f(x, 1.5) title "{/Symbol l} = 1.5"

This vector image was created with gnuplot.

This work is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or any later version. This work is distributed in the hope that it will be useful, but without any warranty; without even the implied warranty of merchantability or fitness for a particular purpose. See version 2 and version 3 of the GNU General Public License for more details.

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