frlearn.array_functions.first

frlearn.array_functions.first(a, k: int, axis: int = -1)

Returns the k first values of a along the specified axis.

Parameters:

andarray

Input array of values.

k: int

Number of values to return. Should be a positive integer not larger than a along axis.

axisint, default=-1

The axis along which values are selected.

Returns:

first_along_axisndarray

An array with the same shape as a, with the specified axis reduced according to the value of k.