在Python中返回複數引數的角度(以弧度為單位)
要返回複數引數的角度,請在Python中使用numpy.angle()方法。該方法返回複平面上從正實軸逆時針旋轉的角度,範圍為(-pi, pi],資料型別為numpy.float64。第一個引數z,一個複數或複數序列。第二個引數deg,如果為True,則返回角度的度數;如果為False(預設),則返回弧度。
步驟
首先,匯入所需的庫:
import numpy as np
使用array()方法建立一個數組:
arr = np.array([1.0, 1.0j, 1+1j])
顯示陣列:
print("Array...\n", arr)
獲取陣列的型別:
print("\nOur Array type...\n", arr.dtype)
獲取陣列的維度:
print("\nOur Array Dimension...\n",arr.ndim)
獲取陣列的形狀:
print("\nOur Array Shape...\n",arr.shape)
要在Python Numpy中返回複數引數的角度,請使用numpy.angle()方法。該方法返回複平面上從正實軸逆時針旋轉的角度,範圍為(-pi, pi],資料型別為numpy.float64:
print("\nResult (radians)...\n", np.angle(arr))
示例
import numpy as np # Create an array using the array() method arr = np.array([1.0, 1.0j, 1+1j]) # Display the array print("Array...\n", arr) # Get the type of the array print("\nOur Array type...\n", arr.dtype) # Get the dimensions of the Array print("\nOur Array Dimension...\n",arr.ndim) # Get the shape of the Array print("\nOur Array Shape...\n",arr.shape) # To return the angle of the complex argument, use the numpy.angle() method in Python Numpy # The method returns the counterclockwise angle from the positive real axis on the complex plane in the range (-pi, pi], with dtype as numpy.float64. print("\nResult (radians)...\n", np.angle(arr))
輸出
Array... [1.+0.j 0.+1.j 1.+1.j] Our Array type... complex128 Our Array Dimension... 1 Our Array Shape... (3,) Result (radians)... [0. 1.57079633 0.78539816]
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