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- numpy.recarray.itemsize
...numpy.recarray.itemsize...
- numpy.recarray.itemsize (Python attribute, in numpy.recarray.itemsize)
- NumPy 1.14.0 Release Notes
..., considering a buffer of all zeros as false, and anything else as true. Checks for V0 can still be done with arr.dtype.itemsize == 0. MaskedArray.squeeze never returns np.ma.masked np.squeeze is documented as returning a view, but the ma...
- NumPy 1.18.0 Release Notes
...yDataType_ISUNSIZED(descr) now returns False for structured datatypes Previously this returned True for any datatype of itemsize 0, but now this returns false for the non-flexible datatype with itemsize 0, np.dtype([]). (gh-14393) New Fe...
- numpy.recarray
...mation about the memory layout of the array. flatA 1-D iterator over the array. imagThe imaginary part of the array. itemset itemsizeLength of one array element in bytes. mTView of the matrix transposed array. nbytesTotal bytes consume...
- numpy.recarray.flags
...arbitrary if arr.shape[dim] == 1 or the array has no elements. It does not generally hold that self.strides[-1] == self.itemsize for C-style contiguous arrays or self.strides[0] == self.itemsize for Fortran-style contiguous arrays is true....
- numpy.recarray.itemsize
...numpy.recarray.itemsize...
- numpy.recarray.nbytes
...xamples >>> import numpy as np >>> x = np.zeros((3,5,2), dtype=np.complex128) >>> x.nbytes 480 >>> np.prod(x.shape) * x.itemsize 480...
- numpy.recarray.strides
...20, 21, 22, 23]]]) >>> y.strides (48, 16, 4) >>> y[1,1,1] 17 >>> offset=sum(y.strides * np.array((1,1,1))) >>> offset/y.itemsize 17 >>> x = np.reshape(np.arange(5*6*7*8), (5,6,7,8)).transpose(2,3,1,0) >>> x.strides (32, 4, 224, 1344) >>>...
- Structured arrays
...tructured datatypes A structured datatype can be thought of as a sequence of bytes of a certain length (the structure’s itemsize) which is interpreted as a collection of fields. Each field has a name, a datatype, and a byte offset within th...
- Glossary
...ave that type. NumPy object arrays, which contain references to Python objects, fill the role of heterogeneous arrays. itemsizeThe size of the dtype element in bytes. little-endianSee Endianness. maskA boolean array used to select only c...