numpy.broadcast_to()函数–Python
原文:https://www . geesforgeks . org/numpy-broadcast _ to-function-python/
numpy.broadcast_to()函数将数组广播到新的形状。
语法: numpy.broadcast_to(数组，形状，subok = False)
**参数:
数组:[array_liket]要广播的数组。
形状:[元组]所需数组的形状。
subok : [bool，可选]如果为 True，则将传递子类，否则默认情况下，返回的数组将被强制为基类数组。
返回:【数组】输出数组。**
代码#1:
蟒蛇 3
# Python program explaining
# numpy.broadcast_to() function
# importing numpy as geek
import numpy as geek
arr = geek.array([1, 2, 3, 4])
gfg = geek.broadcast_to(arr, (4, 4))
print(gfg)
输出:
[[1 2 3 4]
[1 2 3 4]
[1 2 3 4]
[1 2 3 4]]
代码#2:
蟒蛇 3
# Python program explaining
# numpy.broadcast_to() function
# importing numpy as geek
import numpy as geek
arr = geek.array([1, 2, 3, 4, 5])
gfg = geek.broadcast_to(arr, (5, 5))
print(gfg)
输出:
[[1 2 3 4 5]
[1 2 3 4 5]
[1 2 3 4 5]
[1 2 3 4 5]
[1 2 3 4 5]]
