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Python程序:將NumPy數(shù)組向右旋轉(zhuǎn)n
創(chuàng)新互聯(lián)Python教程:

編寫一個 Python 程序,將 Numpy 數(shù)組向右旋轉(zhuǎn) n 次或N個位置。在這個 Python 示例中,我們使用負(fù)數(shù)從右側(cè)到右側(cè)旋轉(zhuǎn)分割數(shù)組,并使用 numpy concatenate 方法合并兩個切片。
import numpy as np
rtArray = np.array([10, 15, 25, 35, 67, 89, 97, 122, 175])
rtRotate = int(input("Enter Position to Right Rotate Array Elements = "))
print('Original Array Elements Before Right Rotating')
print(rtArray)
arr = np.concatenate((rtArray[-rtRotate:], rtArray[:-rtRotate]), axis = 0)
print('\nFinal Array Elements After Right Rotating')
print(arr)
這個 Python 程序使用嵌套 for 循環(huán)將 Numpy 數(shù)組項向右旋轉(zhuǎn)用戶給定的數(shù)字 n 或位置。
import numpy as np
rtArray = np.array([4, 6, 8, 11, 15, 29, 44, 77, 99])
rtRotate = int(input("Enter Position to Right Rotate Array Elements = "))
print('Original Array Elements Before Right Rotating')
print(rtArray)
length = rtArray.size - 1
for i in range(rtRotate):
lastValue = rtArray[length]
for j in range(length, -1, -1):
rtArray[j] = rtArray[j - 1]
rtArray[0] = lastValue
print('\nFinal Array Elements After Right Rotating')
print(rtArray)
Enter Position to Right Rotate Array Elements = 4
Original Array Elements Before Right Rotating
[ 4 6 8 11 15 29 44 77 99]
Final Array Elements After Right Rotating
[29 44 77 99 4 6 8 11 15]
在這個 Python 例子中,RightRotateArray 函數(shù)會將數(shù)組項旋轉(zhuǎn)到右手邊,printRightArrayItems 會打印 numpy 數(shù)組項。
import numpy as np
def printRightArrayItems(rtArray):
for i in rtArray:
print(i, end = ' ')
def RightRotateArray(rtArray, rtRotate):
length = rtArray.size - 1
for i in range(rtRotate):
lastValue = rtArray[length]
for j in range(length, -1, -1):
rtArray[j] = rtArray[j - 1]
rtArray[0] = lastValue
rtArray = np.random.randint(11, 110, size = 10)
rtRotate = int(input("\nEnter Position to Right Rotate Array Elements = "))
print('Original Array Elements Before Right Rotating')
printRightArrayItems(rtArray)
RightRotateArray(rtArray, rtRotate)
print('\nFinal Array Elements After Right Rotating')
printRightArrayItems(rtArray)
Enter Position to Right Rotate Array Elements = 3
Original Array Elements Before Right Rotating
16 63 31 106 18 51 61 35 106 72
Final Array Elements After Right Rotating
35 106 72 16 63 31 106 18 51 61
Python 程序使用 while 循環(huán)向右旋轉(zhuǎn) Numpy 數(shù)組。
import numpy as np
def printRightArrayItems(rtArray):
i = 0
while i < len(rtArray):
print(rtArray[i], end = ' ')
i = i + 1
def RightRotateArray(rtArray, rtRotate):
length = rtArray.size - 1
i = 0
while(i < rtRotate):
lastValue = rtArray[length]
j = length
while(j >= 0):
rtArray[j] = rtArray[j - 1]
j = j - 1
rtArray[0] = lastValue
i = i + 1
rtArray = np.random.randint(90, 350, size = 15)
rtRotate = int(input("\nEnter Position to Right Rotate Array Elements = "))
print('Original Array Elements Before Right Rotating')
printRightArrayItems(rtArray)
RightRotateArray(rtArray, rtRotate)
print('\nFinal Array Elements After Right Rotating')
printRightArrayItems(rtArray)
Enter Position to Right Rotate Array Elements = 5
Original Array Elements Before Right Rotating
291 249 100 283 189 101 341 333 316 344 285 291 234 336 211
Final Array Elements After Right Rotating
285 291 234 336 211 291 249 100 283 189 101 341 333 316 344 名稱欄目:Python程序:將NumPy數(shù)組向右旋轉(zhuǎn)n
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