NumPy: Multiply the values of two given vectors
NumPy: Basic Exercise-24 with Solution
Write a NumPy program to multiply the values of two given vectors.
Sample Solution :
Python Code :
import numpy as np
x = np.array([1, 8, 3, 5])
print("Vector-1")
print(x)
y= np.random.randint(0, 11, 4)
print("Vector-2")
print(y)
result = x * y
print("Multiply the values of two said vectors:")
print(result)
Sample Output:
Vector-1 [1 8 3 5] Vector-2 [1 6 4 6] Multiply the values of two said vectors: [ 1 48 12 30]
Python-Numpy Code Editor:
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Previous: Write a NumPy program to create a vector of length 5 filled with arbitrary integers from 0 to 10.
Next: Write a NumPy program to create a 3x4 matrix filled with values from 10 to 21.
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Python: Tips of the Day
Find current directory and file's directory:
To get the full path to the directory a Python file is contained in, write this in that file:
import os dir_path = os.path.dirname(os.path.realpath(__file__))
(Note that the incantation above won't work if you've already used os.chdir() to change your current working directory, since the value of the __file__ constant is relative to the current working directory and is not changed by an os.chdir() call.)
To get the current working directory use
import os cwd = os.getcwd()
Documentation references for the modules, constants and functions used above:
- The os and os.path modules.
- The __file__ constant
- os.path.realpath(path) (returns "the canonical path of the specified filename, eliminating any symbolic links encountered in the path")
- os.path.dirname(path) (returns "the directory name of pathname path")
- os.getcwd() (returns "a string representing the current working directory")
- os.chdir(path) ("change the current working directory to path")
Ref: https://bit.ly/3fy0R6m
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