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Python numpy.arange()用法及代碼示例


關於:
arange([start,] stop [,step,] [,dtype]):返回一個數組,該數組具有按間隔均勻分布的元素。提到的間隔是打開的一半,即[開始,停止]
參數:

start : [optional] start of interval range. By default start = 0
stop  : end of interval range
step  : [optional] step size of interval. By default step size = 1,  
For any output out, this is the distance between two adjacent values, out[i+1] - out[i]. 
dtype : type of output array

返回:

Array of evenly spaced values.
Length of array being generated  = Ceil((Stop - Start) / Step)
# Python Programming illustrating 
# numpy.arange method 
  
import numpy as geek 
  
print("A\n", geek.arange(4).reshape(2, 2), "\n") 
  
print("A\n", geek.arange(4, 10), "\n") 
  
print("A\n", geek.arange(4, 20, 3), "\n")

輸出:


A
 [[0 1]
 [2 3]]

A
 [4 5 6 7 8 9]

A
 [ 4  7 10 13 16 19]

注意:
這些NumPy-Python程序不會在onlineID上運行,因此請在您的係統上運行它們以進行探索。



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