Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Please use python code
Transcribed Image Text:The setup code gives the following variables:
Name
image
display_image
Name
Your code snippet should define the following variables:
Type
corrected
user_code.py
import
numpy as np
# write your code here
ANMA in ∞0 o
1
2
3
4
Type
numpy array
function
5 corrected image
Description
Distorted image
Helper function to display an image
numpy array
Description
Corrected image
6
7 # You can use the function "display_image" to display your result
8 display_image (image)
9 display_image (corrected)
#
Restore original file
Transcribed Image Text:CHW3.2. Inverse of a matrix: Saving the marketing department
Someone in the marketing department multiplied the image of the beloved school logo "I" by a matrix A. The
result of this operation resulted in the distorted image below, which is stored in the variable image.
A
3
2
1
0
-1
-2
-3
-4
T
-3
This is the variable "image"
-2
Luckily we know that the matrix A is given as
-1
O.
0
3 1
[]
1
-N
2
3
A
Use this information to restore the original image. In the editor box below, write a code snippet that computes
the original image, storing it as the variable corrected.
Hint: You can use np. linalg.inv to compute the inverse of a matrix.
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