Difference between revisions of "Rn1"
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| − | {{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= | + | {{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=(x-1)/2+y|stddev=sqrt((x^2-1)/12)}} |
rn1(x, y){{refsrc|hack.h|291}} 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). | rn1(x, y){{refsrc|hack.h|291}} 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). | ||
Revision as of 10:08, 15 July 2015
| rn1(x,y) | |
|---|---|
 Probability mass function of rn1(10,5). | |
| Distribution | uniform |
| Mean | (x-1)/2+y |
| Standard deviation | sqrt((x^2-1)/12) |
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
- This page is a stub. Should you wish to do so, you can contribute by expanding this page.
