Problem 1 Consider the 5 × 4 matrix: 2 6 5 2 83 15 A = 35 36 597 1 8 7 2 4 Using appropriate MATLAB operations, do the following, each with a single MATLAB command, and without retyping the matrix elements of A: a. Determine the maximum value in each column, and the row in which that maximum occurs. b. Construct a vector B whose elements are the sums of the columns of A. c. Using a single command to transform A into B: 2 65 2 8 3 1 5 A 35 3 6 597 1 87 24 ← B = 2 6 5 2 8 0 05 3006 5 0 0 1 8724 d. Transform A into the following matrix B by adding new columns. Then, recover A from B by deleting columns. A = 265 2 8 3 1 5 35 36 5971 8724 => B = 2 060502 0301 05 3050 306 8 5 090701 8 070 204 e. Reshape A into the following matrices B and C: 265 2 2 8 9 3 5 8 3 15 8 A = 3 5 3 6 597 1 8 7 2 4 => B = 3 3 677 6 5 2 1 55 1 24 C = 97 3 72 61 8724 635 315 2652

Problem 1 Consider the 5 × 4 matrix: 2 6 5 2 83 15 A = 35 36 597 1 8 7 2 4 Using appropriate MATLAB operations, do the following, each with a single MATLAB command, and without retyping the matrix elements of A: a. Determine the maximum value in each column, and the row in which that maximum occurs. b. Construct a vector B whose elements are the sums of the columns of A. c. Using a single command to transform A into B: 2 65 2 8 3 1 5 A 35 3 6 597 1 87 24 ← B = 2 6 5 2 8 0 05 3006 5 0 0 1 8724 d. Transform A into the following matrix B by adding new columns. Then, recover A from B by deleting columns. A = 265 2 8 3 1 5 35 36 5971 8724 => B = 2 060502 0301 05 3050 306 8 5 090701 8 070 204 e. Reshape A into the following matrices B and C: 265 2 2 8 9 3 5 8 3 15 8 A = 3 5 3 6 597 1 8 7 2 4 => B = 3 3 677 6 5 2 1 55 1 24 C = 97 3 72 61 8724 635 315 2652

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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