Image:Bertrand3-scatterplot.jpeg

La bildo estas kopiita de wikipedia:en. La originala priskribo estas:

Bertrand's paradox -- distribution of midpoints of chords chosen at random, solution 3

This image is an original work by Robert Dodier (User:Wile E. Heresiarch).

Here are the commands (of the R programming language) by which this image was created.

n <- 10000

n <- floor (4/pi*n)

x <- runif (n) * 2 - 1
y <- runif (n) * 2 - 1

z <- sqrt (x^2 + y^2)

i <- z < 1

sum (i)

x <- x[i]
y <- y[i]

plot (x, y, pch='.', col='red')
dev2bitmap (file='bertrand3-scatterplot.jpeg',
 type='jpeg', res=288, height=8, width=8)

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This file is licensed under Creative Commons Attribution ShareAlike 2.0 License (cc-by-sa-2.0). In short: you are free to share and make derivative works of the file under the conditions that you appropriately attribute it, and that you distribute it under this or a similar cc-by-sa license.

[edit] Historio de la dosiero

Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version.

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• (del) (cur) 04:43, 21 August 2004 . . en:User:Wile_E._Heresiarch Wile E. Heresiarch ( en:User_talk:Wile_E._Heresiarch Talk) . . 288x288 (17479 bytes) (Bertrand's paradox -- distribution of midpoints of chords chosen at random, solution 3)