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Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
use mathlab easy code, like basic code no if, or return
![(Row Swaps) One very common row operation from linear algebra is the row swap
operation. With this operation, we begin with an original matrix and produce a new
matrix where two rows have interchanged locations.
row_swap Function:
Input parameters:
• an m x n matrix A (note: the dimensions are not passed in)
• two scalars which represent the rows which are two be swapped
Output parameters:
• a new matrix representing the resulting matrix from performing the de-
sired row swap operation on A
A possible sample case is:
> mat_B = row_swap([1:4 ; 2:5 ; 3:6 ; 4:7], 2, 3)
mat B =
1
3
4
2
3
4
5
6
2
3
4
5
4 5
6
7](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff610f60e-c097-44c0-9c2f-23e045cb2fc2%2Fee553be0-5379-4ed7-8f64-c63141453658%2Fbzcgc7l_processed.png&w=3840&q=75)
Transcribed Image Text:(Row Swaps) One very common row operation from linear algebra is the row swap
operation. With this operation, we begin with an original matrix and produce a new
matrix where two rows have interchanged locations.
row_swap Function:
Input parameters:
• an m x n matrix A (note: the dimensions are not passed in)
• two scalars which represent the rows which are two be swapped
Output parameters:
• a new matrix representing the resulting matrix from performing the de-
sired row swap operation on A
A possible sample case is:
> mat_B = row_swap([1:4 ; 2:5 ; 3:6 ; 4:7], 2, 3)
mat B =
1
3
4
2
3
4
5
6
2
3
4
5
4 5
6
7
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