3. Write a macro that carries out the following. (a) Creates a 4 by 4 matrix A with aij = i + j and writes the result to cells A1:D4. (b) Creates a 4 by 4 matrix B with bij = 1²-j² and writes the result to the cells G1:J4. (c) Calculates the matrix C = A(B-21), where I is the identity matrix, and writes the result to cells A6:D9. Declare all variable types and include appropriate comments in your code.

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
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3. Write a macro that carries out the following.
(a) Creates a 4 by 4 matrix A with aij = i + j and writes the result to cells A1:D4.
(b) Creates a 4 by 4 matrix B with bij = į² — j² and writes the result to the cells G1:J4.
–
(c) Calculates the matrix C = A(B 2I), where I is the identity matrix, and writes the
result to cells A6:D9.
Declare all variable types and include appropriate comments in your code.
Transcribed Image Text:3. Write a macro that carries out the following. (a) Creates a 4 by 4 matrix A with aij = i + j and writes the result to cells A1:D4. (b) Creates a 4 by 4 matrix B with bij = į² — j² and writes the result to the cells G1:J4. – (c) Calculates the matrix C = A(B 2I), where I is the identity matrix, and writes the result to cells A6:D9. Declare all variable types and include appropriate comments in your code.
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