我在此看到了相当有用的工具箱:。 我愿在下午用完,但在R编成。
我特别想使用以下方法:
get_rank_distance(permutation1, permutation2, ulam )
我无法在Python找到一个现有的等同物。 你们是否知道有图书馆,我可以找到图书馆。
FYI, 两处改动第1页与第2页之间的距离,是改变第2页第1页所需的最低操作量,该操作规定为1次删除、你想要的任何变化以及1次添加刚才删除的内容。 可查阅网站。
我在此看到了相当有用的工具箱:。 我愿在下午用完,但在R编成。
我特别想使用以下方法:
get_rank_distance(permutation1, permutation2, ulam )
我无法在Python找到一个现有的等同物。 你们是否知道有图书馆,我可以找到图书馆。
FYI, 两处改动第1页与第2页之间的距离,是改变第2页第1页所需的最低操作量,该操作规定为1次删除、你想要的任何变化以及1次添加刚才删除的内容。 可查阅网站。
I dont知道,是否有一对等同物,但你是否考虑使用 rel=“nofollow noreferer”>,rpy2?
如果您能找到一个图书馆,,该条给你一个公式。
这里有几部法律:
def longest_increasing_lengths(perm):
"""
>>> longest_increasing_lengths([2, 3, 1])
[1, 2, 1]
"""
result = [1]*len(perm)
for j in range(len(perm)):
for i in range(j):
if perm[i] < perm[j] and result[i] >= result[j]:
result[j] = result[i] + 1
return result
def ulam_distance(pattern, disorder):
"""
>>> ulam_distance([1,2,3,4,5,6], [1,2,3,4,5,6])
0
>>> ulam_distance([1,2,3,4,5,6], [2,5,3,1,4,6])
2
"""
perm = [pattern.index(x) for x in disorder]
return len(perm) - max(longest_increasing_lengths(perm))
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