Raymond Hettinger <rhettin...@users.sourceforge.net> added the comment:
Summary of functions/definitions expected to return a number: r>n r<0 Source --------- ---------- ------------------------------ error error MS Excel PERMUT() and COMBIN() error error HP32SII nPr and nCr undefined undefined CRC Combinatoric definitions undefined undefined Handbook of Mathematics and Computational Science undefined undefined Wolfram: http://mathworld.wolfram.com/Permutation.html zero zero http://en.wikipedia.org/wiki/Choose_function undefined undefined http://en.wikipedia.org/wiki/Combination undefined undefined http://en.wikipedia.org/wiki/Permutation zero undefined Knuth's choose function in Concrete Mathematics zero zero GAP's nrCombinations() Summary for tools that return the individual subsets: r>n r<0 Source --------- ---------- ------------------------------ emptylist error Mathematica emptylist unknown Magma emptylist error GAP Combinations emptylist emptylist GAP Arrangements emptylist emptylist Sage Combinations emptylist error Sage Permutations _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue4816> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
