Description Usage Arguments Details Value References See Also Examples
Utility functions for factoradic numbers
1 2 3 4 5 6 | FR2dec(FR)
dec2FR(dec,N)
FR2permvec(FR,base=1L)
permvec2FR(permvec)
dec2permvec(dec,N,base=1L)
permvec2dec(permvec)
|
FR |
Vector representation of factoradic number. |
dec |
Decimal representation of factoradic number. |
N |
An integer |
base |
0 or 1, indicating the start index for a vector. |
permvec |
An integer vector of permutations of integers of size N. |
FR2dec
and dec2FR
convert factoradic numbers from/to decimal to/from vector representations.
FR2permvec
and permvec2FR
converst factoradic numbers in vector representations from/to permutatin indices.
dec2permvec
and permvec2dec
are convenient wrappers that converst factoradic numbers in vector representations from/to permutatin indices.
For FR2dec
and permvec2dec
, an integer;
for dec2FR
and permvec2FR
, a numeric vector;
for FR2permvec
and dec2permvec
, an integer vector.
Chapter 10 of .NET Test Automation Recipes
http://en.wikipedia.org/wiki/Factoradic
http://www.mathe2.uni-bayreuth.de/frib/KERBER/h00/node30.html
1 2 3 4 | FR2dec(dec2FR(10,10))
set.seed(2340)
FR2permvec(permvec2FR(sample(10)))
permvec2dec(dec2permvec(100,10))
|
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