FUNCTION: BnCode2Bar - signed permutation corresponding to a code

CALLING SEQUENCE:

BnCode2Bar(code)

BN[BnCode2Bar](code)

PARAMETERS:

code = any list denoting a code

SYNOPSIS:

• The BnCode2Bar function calculates the signed permutation that corresponds to a code.

• Whenever there is a conflict between the function name BnCode2Bar and another name used in the same session, use the long form BN['BnCode2Bar'].

EXAMPLES:

> with(BN):
> BnCode2Bar([1, 1, 3]);
 
                                  [-3, 2, -1]