NumPy学习：创建ndarray数组（linespace,arange,uniform,normal）

"""
    创建ndarray数组（linespace,arange,uniform,normal）
"""
import numpy as np
print("linespace:", np.linspace(0, 100, 5)) # 等间隔的序列
print("arange:", np.arange(10, 50, 10))     # 每间隔10
print("uniform:", np.random.uniform(-1,1, 5))#均匀分布
print("normal:", np.random.normal(loc=1.75, scale=0.1, size=5))# 正太分布
 

linespace: [  0.  25.  50.  75. 100.]
arange: [10 20 30 40]
uniform: [-0.93105165  0.95832368  0.57355316 -0.51174497 -0.71620873]
normal: [1.78206469 1.94835097 1.78042805 1.72402925 1.83369754]