Assorted functions

angle	Return the angle of the complex argument.
apply_where
argpartition	Perform an indirect partition along the given axis.
at	Update operations for read-only arrays.
atleast_nd	Recursively expand the dimension of an array to at least ndim.
broadcast_shapes	Compute the shape of the broadcasted arrays.
cov	Estimate a covariance matrix (or a stack of covariance matrices).
create_diagonal	Construct a diagonal array.
default_dtype	Return the default dtype for the given namespace and device.
diag_indices	Return the indices to access the main diagonal of an array.
expand_dims	Expand the shape of an array.
isclose	Return a boolean array where two arrays are element-wise equal within a tolerance.
isin	Determine whether each element in a is present in b.
kron	Kronecker product of two arrays.
nan_to_num	Replace NaN with zero and infinity with large finite numbers (default behaviour).
nunique	Count the number of unique elements in an array.
one_hot	One-hot encode the given indices.
pad	Pad the input array.
partition	Return a partitioned copy of an array.
searchsorted	Find indices where elements should be inserted to maintain order.
setdiff1d	Find the set difference of two arrays.
sinc	Return the normalized sinc function.
tril_indices	Return the indices of the lower triangle of an (n, m) array.
triu_indices	Return the indices of the upper triangle of an (n, m) array.
union1d	Find the union of two arrays.
unravel_index	Convert a flat index or array of flat indices into a tuple of coordinate arrays.