本文整理匯總了Python中sympy.combinatorics.permutations.Cycle.rfind方法的典型用法代碼示例。如果您正苦於以下問題：Python Cycle.rfind方法的具體用法？Python Cycle.rfind怎麽用？Python Cycle.rfind使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類sympy.combinatorics.permutations.Cycle的用法示例。
在下文中一共展示了Cycle.rfind方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: _print_Permutation
# 需要導入模塊: from sympy.combinatorics.permutations import Cycle [as 別名]
# 或者: from sympy.combinatorics.permutations.Cycle import rfind [as 別名]
def _print_Permutation(self, expr):
from sympy.combinatorics.permutations import Permutation, Cycle
if Permutation.print_cyclic:
if not expr.size:
return "()"
# before taking Cycle notation, see if the last element is
# a singleton and move it to the head of the string
s = Cycle(expr)(expr.size - 1).__repr__()[len("Cycle") :]
last = s.rfind("(")
if not last == 0 and "," not in s[last:]:
s = s[last:] + s[:last]
s = s.replace(",", "")
return s
else:
s = expr.support()
if not s:
if expr.size < 5:
return "Permutation(%s)" % str(expr.array_form)
return "Permutation([], size=%s)" % expr.size
trim = str(expr.array_form[: s[-1] + 1]) + ", size=%s" % expr.size
use = full = str(expr.array_form)
if len(trim) < len(full):
use = trim
return "Permutation(%s)" % use示例2: _print_Permutation
# 需要導入模塊: from sympy.combinatorics.permutations import Cycle [as 別名]
# 或者: from sympy.combinatorics.permutations.Cycle import rfind [as 別名]
def _print_Permutation(self, expr):
from sympy.combinatorics.permutations import Permutation, Cycle
if Permutation.print_cyclic:
if not expr.size:
return 'Permutation()'
# before taking Cycle notation, see if the last element is
# a singleton and move it to the head of the string
s = Cycle(expr)(expr.size - 1).__repr__()[len('Cycle'):]
last = s.rfind('(')
if not last == 0 and ',' not in s[last:]:
s = s[last:] + s[:last]
return 'Permutation%s' % s
else:
s = expr.support()
if not s:
if expr.size < 5:
return 'Permutation(%s)' % str(expr.array_form)
return 'Permutation([], size=%s)' % expr.size
trim = str(expr.array_form[:s[-1] + 1]) + ', size=%s' % expr.size
use = full = str(expr.array_form)
if len(trim) < len(full):
use = trim
return 'Permutation(%s)' % use