Cumulative sum of a NumPy array
Python Pandas Numpy: Exercise-26 with Solution
Calculate the cumulative sum of a NumPy array.
Sample Solution:
Python Code:
import numpy as np
# Create a sample NumPy array
nums = np.array([1, 2, 3, -4, 5])
# Calculate the cumulative sum
cumulative_sum = np.cumsum(nums)
# Display the cumulative sum
print(cumulative_sum)
Output:
[1 3 6 2 7]
Explanation:
Here's a breakdown of the above code:
- First we create a sample NumPy array "nums".
- The np.cumsum(nums) function calculates the cumulative sum of the elements in the array.
- The resulting "cumulative_sum" is a NumPy array containing the cumulative sums.
- The result is printed, showing the cumulative sum of the array.
Flowchart:
Python Code Editor:
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