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User Guide
API reference
Building from source
Development
Release notes
Learn
NEPs
Choose version
GitHub
Section Navigation
NumPy’s module structure
Array objects
Universal functions (
ufunc
)
Routines and objects by topic
Constants
Array creation routines
Array manipulation routines
Bit-wise operations
String functionality
Datetime support functions
Data type routines
Mathematical functions with automatic domain
Floating point error handling
Exceptions and Warnings
Discrete Fourier Transform
Functional programming
Input and output
Indexing routines
Linear algebra
Logic functions
Masked array operations
numpy.ma.MaskType
numpy.ma.masked_array
numpy.ma.array
numpy.ma.copy
numpy.ma.frombuffer
numpy.ma.fromfunction
numpy.ma.MaskedArray.copy
numpy.ma.diagflat
numpy.ma.empty
numpy.ma.empty_like
numpy.ma.masked_all
numpy.ma.masked_all_like
numpy.ma.ones
numpy.ma.ones_like
numpy.ma.zeros
numpy.ma.zeros_like
numpy.ma.all
numpy.ma.any
numpy.ma.count
numpy.ma.count_masked
numpy.ma.getmask
numpy.ma.getmaskarray
numpy.ma.getdata
numpy.ma.nonzero
numpy.ma.shape
numpy.ma.size
numpy.ma.is_masked
numpy.ma.is_mask
numpy.ma.isMaskedArray
numpy.ma.isMA
numpy.ma.isarray
numpy.ma.isin
numpy.ma.in1d
numpy.ma.unique
numpy.ma.MaskedArray.all
numpy.ma.MaskedArray.any
numpy.ma.MaskedArray.count
numpy.ma.MaskedArray.nonzero
numpy.ma.shape
numpy.ma.size
numpy.ma.ravel
numpy.ma.reshape
numpy.ma.resize
numpy.ma.MaskedArray.flatten
numpy.ma.MaskedArray.ravel
numpy.ma.MaskedArray.reshape
numpy.ma.MaskedArray.resize
numpy.ma.swapaxes
numpy.ma.transpose
numpy.ma.MaskedArray.swapaxes
numpy.ma.MaskedArray.transpose
numpy.ma.atleast_1d
numpy.ma.atleast_2d
numpy.ma.atleast_3d
numpy.ma.expand_dims
numpy.ma.squeeze
numpy.ma.MaskedArray.squeeze
numpy.ma.stack
numpy.ma.column_stack
numpy.ma.concatenate
numpy.ma.dstack
numpy.ma.hstack
numpy.ma.hsplit
numpy.ma.mr_
numpy.ma.vstack
numpy.ma.concatenate
numpy.ma.stack
numpy.ma.vstack
numpy.ma.hstack
numpy.ma.dstack
numpy.ma.column_stack
numpy.ma.append
numpy.ma.make_mask
numpy.ma.make_mask_none
numpy.ma.mask_or
numpy.ma.make_mask_descr
numpy.ma.getmask
numpy.ma.getmaskarray
numpy.ma.masked_array.mask
numpy.ma.ndenumerate
numpy.ma.flatnotmasked_contiguous
numpy.ma.flatnotmasked_edges
numpy.ma.notmasked_contiguous
numpy.ma.notmasked_edges
numpy.ma.clump_masked
numpy.ma.clump_unmasked
numpy.ma.mask_cols
numpy.ma.mask_or
numpy.ma.mask_rowcols
numpy.ma.mask_rows
numpy.ma.harden_mask
numpy.ma.soften_mask
numpy.ma.MaskedArray.harden_mask
numpy.ma.MaskedArray.soften_mask
numpy.ma.MaskedArray.shrink_mask
numpy.ma.MaskedArray.unshare_mask
numpy.ma.asarray
numpy.ma.asanyarray
numpy.ma.fix_invalid
numpy.ma.masked_equal
numpy.ma.masked_greater
numpy.ma.masked_greater_equal
numpy.ma.masked_inside
numpy.ma.masked_invalid
numpy.ma.masked_less
numpy.ma.masked_less_equal
numpy.ma.masked_not_equal
numpy.ma.masked_object
numpy.ma.masked_outside
numpy.ma.masked_values
numpy.ma.masked_where
numpy.ma.compress_cols
numpy.ma.compress_rowcols
numpy.ma.compress_rows
numpy.ma.compressed
numpy.ma.filled
numpy.ma.MaskedArray.compressed
numpy.ma.MaskedArray.filled
numpy.ma.MaskedArray.tofile
numpy.ma.MaskedArray.tolist
numpy.ma.MaskedArray.torecords
numpy.ma.MaskedArray.tobytes
numpy.ma.common_fill_value
numpy.ma.default_fill_value
numpy.ma.maximum_fill_value
numpy.ma.minimum_fill_value
numpy.ma.set_fill_value
numpy.ma.MaskedArray.get_fill_value
numpy.ma.MaskedArray.set_fill_value
numpy.ma.anom
numpy.ma.anomalies
numpy.ma.average
numpy.ma.conjugate
numpy.ma.corrcoef
numpy.ma.cov
numpy.ma.cumsum
numpy.ma.cumprod
numpy.ma.mean
numpy.ma.median
numpy.ma.power
numpy.ma.prod
numpy.ma.std
numpy.ma.sum
numpy.ma.var
numpy.ma.MaskedArray.anom
numpy.ma.MaskedArray.cumprod
numpy.ma.MaskedArray.cumsum
numpy.ma.MaskedArray.mean
numpy.ma.MaskedArray.prod
numpy.ma.MaskedArray.std
numpy.ma.MaskedArray.sum
numpy.ma.MaskedArray.var
numpy.ma.argmax
numpy.ma.argmin
numpy.ma.max
numpy.ma.min
numpy.ma.ptp
numpy.ma.diff
numpy.ma.MaskedArray.argmax
numpy.ma.MaskedArray.argmin
numpy.ma.MaskedArray.max
numpy.ma.MaskedArray.min
numpy.ma.MaskedArray.ptp
numpy.ma.argsort
numpy.ma.sort
numpy.ma.MaskedArray.argsort
numpy.ma.MaskedArray.sort
numpy.ma.diag
numpy.ma.dot
numpy.ma.identity
numpy.ma.inner
numpy.ma.innerproduct
numpy.ma.outer
numpy.ma.outerproduct
numpy.ma.trace
numpy.ma.transpose
numpy.ma.MaskedArray.trace
numpy.ma.MaskedArray.transpose
numpy.ma.vander
numpy.ma.polyfit
numpy.ma.around
numpy.ma.clip
numpy.ma.round
numpy.ma.MaskedArray.clip
numpy.ma.MaskedArray.round
numpy.ma.intersect1d
numpy.ma.setdiff1d
numpy.ma.setxor1d
numpy.ma.union1d
numpy.ma.allequal
numpy.ma.allclose
numpy.ma.amax
numpy.ma.amin
numpy.ma.apply_along_axis
numpy.ma.apply_over_axes
numpy.ma.arange
numpy.ma.choose
numpy.ma.compress_nd
numpy.ma.convolve
numpy.ma.correlate
numpy.ma.ediff1d
numpy.ma.flatten_mask
numpy.ma.flatten_structured_array
numpy.ma.fromflex
numpy.ma.indices
numpy.ma.left_shift
numpy.ma.ndim
numpy.ma.put
numpy.ma.putmask
numpy.ma.right_shift
numpy.ma.round_
numpy.ma.take
numpy.ma.where
Mathematical functions
Miscellaneous routines
Polynomials
Random sampling
Set routines
Sorting, searching, and counting
Statistics
Test support
Window functions
Typing (
numpy.typing
)
Packaging
NumPy C-API
Array API standard compatibility
CPU/SIMD optimizations
Thread Safety
Global Configuration Options
NumPy security
Status of
numpy.distutils
and migration advice
numpy.distutils
user guide
NumPy and SWIG
NumPy reference
NumPy’s module structure
Masked array operations
numpy.ma.masked_array.mask
numpy.ma.masked_array.mask
#
property
property
ma.masked_array.
mask
#
Current mask.
On this page
ma.masked_array.mask
