Inside Symmetrica there are also routines, which are working with barred permutations.

BARPERM objects, are simliar to PERMUTATION objects, so there also different kind of implementations which are recognized with the help of a tag.

a incomplete collection of routines, which work with BARPERM objects.

redball first
redball hoch
redball invers [try]
redball last
redball lehmercode [try]
redball mult [try]
redball next [try]
redball objectread/ objectwrite = I/O in a file
redball print/println/fprint/fprintln
redball random
redball scan = input of a BARPERM object
redball tex = TeX output

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symmetrica (at) symmetrica.de

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