Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
expand_more
expand_more
format_list_bulleted
Bartleby Related Questions Icon
Related questions
bartleby
Concept explainers
Question
I'm having a very hard time creating a working code for this, can you please help? i need one working
Transcribed Image Text:Here is another example. Consider matrix A of size 2x3 and matrix B of size 3x1, the
overlapped matrix C is of size 2x3.
A =
235
134
B =
8
∞35
C = A overlap B =
835
334
500
While the numerical values of the example are integers, the class definition should be general
enough to consider different possible types.
Test your class by writing a driver function that performs the following actions on the matrices
A, B, and C given in the example above:
1. initialize two matrices A and B
2. add A and B together and then subtracts them
4.
3. print both input matrices and the resulting matrix after addition and subtraction
print both input matrices and the resulting matrix after multiplication, if possible. If not
possible explain the reason of the error
5.
overlap the two matrices by using the overlap function.
6. display both input matrices and the output matrix produced by the overlap function.
Transcribed Image Text:Create a Matrix class and implement the following member functions:
in
C++,
The constructors and the destructor
getSize() which returns the size of the matrix;
setValue(int position, int value) which sets the value in the matrix at given position;
getValue (int position) which returns the current value at given position;
an add method which adds two matrices together;
a subtract method which subtract two matrices together;
a multiply methods which multiplies two matrices together, if possible;
an overlap function which overlaps two matrices together. The augment function takes
two matrices A and B of size mlxnl and m2xn2, respectively, and produce a new matrix
C of size mLxnL, where mL (resp. nL) is the largest between m1 and m2 (resp. nl and
n2). The values of C will either come from the original matrices by overlapping matrix B
over matrix A. Wherever a value is not available it initialized to default value 0.
For example: If you overlap two matrices A of size 4x2 and B of size 3x5, the resulting
matrix C is of size 4x5.
A=
●くろまる
●くろまる
23
13
63
79
B=
82651
39123
57314
C = A overlap B =
82651
39123
57314
79000
Expert Solution
Check MarkThis question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
bartleby
This is a popular solution
bartleby
Trending nowThis is a popular solution!
bartleby
Step by stepSolved in 5 steps with 7 images
Knowledge Booster
Background pattern image
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.Similar questions
- Please help, So below is the question of the problem for my class. I have attached a picture of my python program and I keep getting than error message. I have also attached the list of the friends and age. using python Now write a program named filereader.py that reads and displays the data in friends.txt. This program should also determine and print the average age of the friends on file. That will require an accumulator and a counter. Use a while loop to process the file, print the data, and modify the accumulator and counter. Then close the file and display the average age accurate to one decimal place. See the Sample Output..SAMPLE OUTPUT My friend Denny is 24My friend Penny is 28My friend Lenny is 20My friend Jenny is 24Average age of friends is 24.0 I appreciate the help Kevinarrow_forwardFor this project you will use the file included in the attached zip file. It is a series of fictional exam records. You must create a Python application that reads this file, assigns a letter grade to each student based on the scale below, outputs the student name, grade, and letter grade to the screen, and outputs that same information into a comma separated values file. You must use functions, parameters, returns, loops, collections and conditions, and some kind of design (pseudocode or flowcharts). Naming and organization counts. Functions to consider: opening a file, closing a file, reading records, writing records, determining letter grade, and writing to console. Grade scale to use in the application: A: >95% A-: >91 and <95 B+: >87 and <91 B: >83 and <87 B-: >80 and <83 C+: >78 and <80 C: >75 and <78 D: >70 and <75 F: <70arrow_forwardPlease write a SIMPLE C++ Code that takes the equation numbers of A,B and C from the input file, adds the 2 polynomials equations adjacent to each other together and then print out the results to an output file. Please include all files that should be in the code to your response. also make sure that the code is runnable. The prompt with all other directions is down below. A mini sample code is also there if you need any helparrow_forward
- It is not apparent what the results of executing a software that contains an error would be. What steps should be taken next after developing the code for the frmProgram? Can the event method for the command button be demonstrated? The sentence "Unload Me" serves a function, but what exactly is that function? What exactly is the function of a file that may be run?arrow_forwardThe code I am running is producing overlap and not sure how to get the correct format. I have most of it when testing it it contains the other stuff I was testing and I'm not sure if there is a way to capture what I enter than the previous unless that is by default. I am providing my code and need assistance. #Enter the name of the file to append [diary.txt]file_name = input("Enter the name of the file you want to append to: ")print() #Enter the user sentenceuser_sentence = input("Please enter a sentence: ")print() #Append file and write user_sentencewith open(file_name, 'a') as file: file.write(user_sentence + "\n")#Read the file and print contents of the filewith open(file_name, 'r') as file: file_contents = file.read() print('The contents of', file_name, 'is now:','\n') print(file_contents) Thank you for your assistance !arrow_forwardMr. Nook has been having a booming business recently and he needs ways tostreamline his process. You will create a single program that includes all thespecifications for each of his assignments. He would like to have this single program beset up in a fashion that allows him to choose what code to run from a single menu. The options he wants are:o An option that calculates his income taxes Using pythonarrow_forward
- Python Soulution to 1arrow_forwardwhy is there a breed.cc file when there should be 4 files included. I would only like there to be 4 files inlcuded in order for the program to run, main.cc, pet.cc, pet.h, and breed.h file.arrow_forwardDesign a modular program in Python to process payroll for all hourly paid employees, save all the data into a text file and make a backup file as well. The program should allow user enter each employee's ID, name, hours worked, and hourly pay rate. And then calculate gross pay with overtime hours(hours beyond 40) paid 50% more. And then the program should display pay statement for each employee and store them into a same text file. The program should display total number of employees, total number of hours worked by all employees, and total gross pay and save them at the end of the same text file as well. The program should contain the following functions: main(), get_employee_info(), calc_gross_pay(hours, rate), display_pay_statement(emp_id, emp_name, hours_horked, hourly_pay_rate, gross_pay), save_pay_statement_to_file(file_object, emp_id, emp_name, hours_worked, hourly_pay_rate, gross_pay), save_summary_to_file(file_object, number_of_employees, total_hours_worked, total_gross_pay)....arrow_forward
- make own code related to writing and reading files in python . Save file as mukhammadali.py and take a picturearrow_forwardThere are multiple test files for this project. My program must handle not only the expected file but also files with missing records, missing data, bad data, no records, and no file. Please help me with my Python code. def read_data(filename): try: with open(filename, "r") as file: return file.read() except FileNotFoundError: print("Error: Please provide an input file ") return "" except Exception as ex: print("Error:",ex) return "" def extract_data(tags, strings): data = [] start_tag = f"<{tags}>" end_tag = f"</{tags}>" while start_tag in strings: try: start_index = strings.find(start_tag) + len(start_tag) end_index = strings.find(end_tag) if end_index == -1: break value = strings[start_index:end_index] if value: data.append(value) strings = strings[end_index + len(end_tag):] except Exception as...arrow_forward
arrow_back_ios
arrow_forward_ios
Recommended textbooks for you
- Text book imageDatabase System ConceptsComputer ScienceISBN:9780078022159Author:Abraham Silberschatz Professor, Henry F. Korth, S. SudarshanPublisher:McGraw-Hill EducationText book imageStarting Out with Python (4th Edition)Computer ScienceISBN:9780134444321Author:Tony GaddisPublisher:PEARSONText book imageDigital Fundamentals (11th Edition)Computer ScienceISBN:9780132737968Author:Thomas L. FloydPublisher:PEARSON
- Text book imageC How to Program (8th Edition)Computer ScienceISBN:9780133976892Author:Paul J. Deitel, Harvey DeitelPublisher:PEARSONText book imageDatabase Systems: Design, Implementation, & Manag...Computer ScienceISBN:9781337627900Author:Carlos Coronel, Steven MorrisPublisher:Cengage LearningText book imageProgrammable Logic ControllersComputer ScienceISBN:9780073373843Author:Frank D. PetruzellaPublisher:McGraw-Hill Education
Text book image
Database System Concepts
Computer Science
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:McGraw-Hill Education
Text book image
Starting Out with Python (4th Edition)
Computer Science
ISBN:9780134444321
Author:Tony Gaddis
Publisher:PEARSON
Text book image
Digital Fundamentals (11th Edition)
Computer Science
ISBN:9780132737968
Author:Thomas L. Floyd
Publisher:PEARSON
Text book image
C How to Program (8th Edition)
Computer Science
ISBN:9780133976892
Author:Paul J. Deitel, Harvey Deitel
Publisher:PEARSON
Text book image
Database Systems: Design, Implementation, & Manag...
Computer Science
ISBN:9781337627900
Author:Carlos Coronel, Steven Morris
Publisher:Cengage Learning
Text book image
Programmable Logic Controllers
Computer Science
ISBN:9780073373843
Author:Frank D. Petruzella
Publisher:McGraw-Hill Education