NumPy NumPy参考

• 数组对象
• 常数
• 通用功能（ufunc）
• 例行程序
•    数组创建例程
•    数组操作例程
•    Binary operations
•    String operations
•          numpy.char.add
•          numpy.char.multiply
•          numpy.char.mod
•          numpy.char.capitalize
•          numpy.char.center
•          numpy.char.decode
•          numpy.char.encode
•          numpy.char.expandtabs
•          numpy.char.join
•          numpy.char.ljust
•          numpy.char.lower
•          numpy.char.lstrip
•          numpy.char.partition
•          numpy.char.replace
•          numpy.char.rjust
•          numpy.char.rpartition
•          numpy.char.rsplit
•          numpy.char.rstrip
•          numpy.char.split
•          numpy.char.splitlines
•          numpy.char.strip
•          numpy.char.swapcase
•          numpy.char.title
•          numpy.char.translate
•          numpy.char.upper
•          numpy.char.zfill
•          numpy.char.equal
•          numpy.char.not_equal
•          numpy.char.greater_equal
•          numpy.char.less_equal
•          numpy.char.greater
•          numpy.char.less
•          numpy.char.compare_chararrays
•          numpy.char.count
•          numpy.char.endswith
•          numpy.char.find
•          numpy.char.index
•          numpy.char.isalpha
•          numpy.char.isalnum
•          numpy.char.isdecimal
•          numpy.char.isdigit
•          numpy.char.islower
•          numpy.char.isnumeric
•          numpy.char.isspace
•          numpy.char.istitle
•          numpy.char.isupper
•          numpy.char.rfind
•          numpy.char.rindex
•          numpy.char.startswith
•          numpy.char.str_len
•          numpy.char.array
•          numpy.char.asarray
•          numpy.char.chararray
•    C-Types Foreign Function Interface (numpy.ctypeslib)
•    Datetime Support Functions
•    Data type routines
•    Optionally Scipy-accelerated routines (numpy.dual)
•    Mathematical functions with automatic domain (numpy.emath)
•    Floating point error handling
•    Discrete Fourier Transform (numpy.fft)
•    Financial functions
•    Functional programming
•    NumPy-specific help functions
•    Indexing routines
•    输入输出
•    线性代数（numpy.linalg）
•    逻辑功能
•    Mathematical functions
•    Matrix library (numpy.matlib)
•    Miscellaneous routines
•    Padding Arrays
•    Polynomials
•    Random sampling (numpy.random)
•    Set routines
•    Sorting, searching, and counting
•    Statistics
•    Test Support (numpy.testing)
•    Window functions
• Packaging (numpy.distutils)
• NumPy Distutils - Users Guide
• NumPy C-API
• NumPy内部
• NumPy和SWIG

numpy.char.center(a, width, fillchar=' ')¶

Return a copy of a with its elements centered in a string of length width.

Calls str.center element-wise.

Parameters

aarray_like of str or unicode

widthint

The length of the resulting strings

fillcharstr or unicode, optional

The padding character to use (default is space).

Returns

outndarray

Output array of str or unicode, depending on input types

See also

str.center