4.1 Create the following matrices, and use them in the exercises that follow: [15 3 22] 3 85 14 3 82 a = b= 15 C= 12 18 5 2 a. Create a matrix called d from the third column of matrix a. b. Combine matrix b and matrix d to create matrix e, a two-dimensional matrix with three rows and two columns. c. Combine matrix b and matrix d to create matrix f, a one-dimensional matrix with six rows and one column. d. Create a matrix g from matrix a and the first three elements of matrix C, with four rows and three columns. e. Create a matrix h with the first element equal to 1,3, the second element equal to C1,2, and the third element equal to b2,1

4.1 Create the following matrices, and use them in the exercises that follow: [15 3 22] 3 85 14 3 82 a = b= 15 C= 12 18 5 2 a. Create a matrix called d from the third column of matrix a. b. Combine matrix b and matrix d to create matrix e, a two-dimensional matrix with three rows and two columns. c. Combine matrix b and matrix d to create matrix f, a one-dimensional matrix with six rows and one column. d. Create a matrix g from matrix a and the first three elements of matrix C, with four rows and three columns. e. Create a matrix h with the first element equal to 1,3, the second element equal to C1,2, and the third element equal to b2,1

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

See similar textbooks

Similar questions

Create five vectors v,w,x,y,z with integers and each vector has 4 elements. Combine the five vectors to become a 4×5 matrix and name it A where each column represents a vector. Change the row names to a,b,c,d.Repeat the above but in the case v,w,x,y,z form row vectors?
Provide single line MATLAB:a) Create 1x6 vector called A containing integer values between from 15 to 10.b) Create 1x6 vector called B whose values are equal to 100 times in A.c) Create a vector called C that goes at equal steps from −20 to +20 containing 50elements.d) Create 3x6 matrix called D from A,B and C vectors by putting them on top of eachother. (Use first 6 elements of C).e) Create 20x3 matrix called E whose values row number (n), n squared (n2) and n cube(n3).
A: Create the following matrix M and Create a 4 x 3 matrix F from all rows and the third through fifth columnsof matrix M. 0 0 2 2 2 0.7 0.6 0.5 0.4 0.3 0.2 0.1 M= 4 6 8 8 10 12 14 22 19 16 13 10 7 B: find the minimum value of the matrix H. 1.7 1.6 1.5 1.4 1.3 1.2 22 24 26 28 30 32 = H 9 8 7 6 . 4
1- Create a 4*4 matrix A having random integer values between 1 and 10. Call the matrix A and, using MATLAB, perfom the following operations. For each part explain the operation. (a) A*A, (b) A.*A (c) A./A (d) det(A) (e) irv(A)
Q6 / Print a matrix of cells whose size is (3 x 2) and its elements are as follows: The first line is two cells, each of them is a random matrix of integer numbers (between 6 and 12) and its size is (2x2) and the second line contains two cells, the first (Hussein Ali Kamel) and the second (civil engineering) and the third line are two cells Each is a complex number with a random integer value.
Q5: Write the number of the sentence and (T) for true and (F) for false sentences. 1. Mean command finds the average of the matrix. 2. Min function can be used to find minimum values for the rows of an array. 3. ID(3) creates the identity matrix of 3×3. 4. Mathematical functions can be plotted in 3D using MATLAB 5. Max(a') finds the maximum value in each row
Determine all elements in a matrix that are evenly divided by 5 (using vectorization) (no loops can be used) Given the input matrix A (10x10), perform the following steps 1. square each element in matrix A 2. find each element in the matrix that is evenly divided by 5 3. create a ROW vector of all the elements found in step #2 and write them to an array named B 4. the array B should be sorted (in increasing value) and should only have unique values (see help on built-in function unique) Script A Save C Rese 1A- magic(10); Previous Assessment: 1 of 3 Tests Passed Run Pretest
с++ The table of the football championship is given by a square matrix of order n, in which all elements belonging to the main diagonal are equal to zero, and each element not belonging to the main diagonal is equal to 2, 1 or 0 (the number of points scored in the game: 2—win, 1 — draw, 0—loss).Determine the numbers of the teams that passed the championship without defeat. Input: 5 0 1 0 2 2 2 0 1 2 1 0 1 0 2 0 2 2 2 0 1 1 0 2 2 0 Output: 1 3
1. Import data: Import the csv file HIV prevalence and assign it to a variable called “HIV”.2. Enter data with function c: Assign the data 2 3 0 3 1 0 0 1 to a variable "typos" and print it out.3. Creating Matrices: Create a matrix 1:8 with 2 rows and 4 columns, fill the matrix by column anduse matrix subscript [2,3].4. Using Factors. Status factor consists of “low”, “middle” and “high”. With the default factor level,the order should be “high”, “low”, “middle”. Override the default factor levels for the charactervector status created in alphabetical order by specifying levels option.5. Creating Data frames. The columns are n, s and b. n is a numeric vector consisting of 2, 3 and 5. sis a character vector consisting of aa, bb and cc. b is a logical vector consisting ofTRUE,FALSE,TRUE. Create a data frame and assign it to the variable df.6. Format: Please submit the document in Microsoft Word or Adobe PDF format. Other formats,such as Microsoft Excel, R, or Corel WordPerfect, will…
Determine all elements in a matrix that are evenly divided by 5 (using vectorization) (no loops can be used) Glven the input matrix A (10x10), perform the following steps 1. square each element in matrix A 2. find each element in the matrix that is evenly divided by 5 3. create a ROW vector of all the elements found in step #2 and write them to an array named B 4. the array B should be sorted (in increasing value) and should only have unique values (see help on built-in function unique) Script A Save C Rese 1A - magic(10); Assessment: Run Pretest
by matlab Generate the following matrix A: [36 34 32 30 28 261 A = 24 22 20 l12 10 8 18 16 14 6. 4 2 By writing one command (don't type individual elements explicitly), then use the matrix A to create a five-element row vector named B that contains the first two elements of the third row of A and the last three element of the first row of A.
2. What is the decimal equivalent of the letter g? 3. Create a three-dimensional array consisting of a 3 * 3 magic square, a 3 * 3 matrix of zeros, and a 3 * 3 matrix of ones. a. Use triple indexing such as A(m,n,p) to determine what number is in row 3, column 2, page 1 of the matrix you created. b. Find all the values in row 2, column 3 (on all the pages) of the matrix. c. Find all the values in all the rows and pages of column 3 of the matrix.