asarray_chkfinite(a, dtype=None, order=None)
Input data, in any form that can be converted to an array. This includes lists, lists of tuples, tuples, tuples of tuples, tuples of lists and ndarrays. Success requires no NaNs or Infs.
By default, the data-type is inferred from the input data.
Memory layout. 'A' and 'K' depend on the order of input array a. 'C' row-major (C-style), 'F' column-major (Fortran-style) memory representation. 'A' (any) means 'F' if a
is Fortran contiguous, 'C' otherwise 'K' (keep) preserve input order Defaults to 'C'.
Raises ValueError if a
contains NaN (Not a Number) or Inf (Infinity).
Array interpretation of a
. No copy is performed if the input is already an ndarray. If a
is a subclass of ndarray, a base class ndarray is returned.
Convert the input to an array, checking for NaNs or Infs.
asanyarray
Similar function which passes through subclasses.
asarray
Create and array.
ascontiguousarray
Convert input to a contiguous array.
asfarray
Convert input to a floating point ndarray.
asfortranarray
Convert input to an ndarray with column-major memory order.
fromfunction
Construct an array by executing a function on grid positions.
fromiter
Create an array from an iterator.
Convert a list into an array. If all elements are finite asarray_chkfinite
is identical to asarray
.
>>> a = [1, 2]
... np.asarray_chkfinite(a, dtype=float) array([1., 2.])
Raises ValueError if array_like contains Nans or Infs.
>>> a = [1, 2, np.inf]See :
... try:
... np.asarray_chkfinite(a)
... except ValueError:
... print('ValueError') ... ValueError
The following pages refer to to this document either explicitly or contain code examples using this.
numpy.asarray
numpy.asanyarray
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