Permutation.get_precedence_distance() : get_precedence_distance() is a sympy Python library function that calculates the precedence distance between two permutations.
p and q represent n jobs. The precedence metric counts the no. of times a job n is preceded by job m in both p and q. This is a commutative matrix.
precedence distance between two permutations
Code #1 : get_precedence_distance() Example
a – get_precedence_distance form b: 6
b – get_precedence_distance form c: 9
Code #2 : get_precedence_distance() Example – 2D Permutation
a get_precedence_distance form b : 22
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