Difference between revisions of "Rn1"
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Ray Chason (talk | contribs) (Random variable infobox; prettify the reference) |
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{{DISPLAYTITLE:rn1}} | {{DISPLAYTITLE:rn1}} | ||
| − | rn1(x, y)<ref> | + | {{randomvariable|name=rn1(x,y)|graph=rn1.svg|caption=[[wikipedia:Probability mass function|Probability mass function]] of rn1(10,5).|distribution=[[Wikipedia:discrete uniform distribution|uniform]]|mean=<math>(x-1)/2+y</math>|stddev=<math>\sqrt{(x^2-1)/12}</math>}} |
| + | rn1(x, y)<ref>{{sourcecode|hack.h|291}}</ref> is a pseudo-random number macro used in NetHack when a result should be unweighted. It is equivalent to ''rn2(x) + y''. The range of values is between y and y+x-1 inclusive (that is, y<=rn1(x,y)<x+y). | ||
See also [[rn2]]. | See also [[rn2]]. | ||
Revision as of 23:43, 1 February 2011
| rn1(x,y) | |
|---|---|
 Probability mass function of rn1(10,5). | |
| Distribution | uniform |
| Mean | 
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| Standard deviation | 
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rn1(x, y)[1] is a pseudo-random number macro used in NetHack when a result should be unweighted. It is equivalent to rn2(x) + y. The range of values is between y and y+x-1 inclusive (that is, y<=rn1(x,y)<x+y).
See also rn2.
References
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