Difference between revisions of "Rn1"
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m (link to rn2) |
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) | |
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Distribution | uniform |
Mean | |
Standard deviation |
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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