(Electrical eng.) a. An engineer has constructed a two-dimensional array of real numbers with three rows and five columns. This array currently contains test voltages of an amplifier. Write a C++
b. Entering 15 voltages each time the program written for Exercise 7a runs is cumbersome. What method could be used for initializing the array during the testing phase?
c. How might the program you wrote for Exercise 7a be modified to include the case of no voltage being present? That is, what voltage could be used to indicate an invalid voltage, and how would your program have to be modified to exclude counting such a voltage?
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Chapter 7 Solutions
C++ for Engineers and Scientists
- (PYTHON) Write a program with a function that takes a string; if the length of a string is even, the functionshould add an asterisk at the beginning of a string; else, the function should add asterisks at the end ofa string. The function, then, capitalizes all letters and returns the new string The program should let the user enter a string and pass it to the function.arrow_forward(C PROGRAMMING ONLY) 2. Odd Lifeby CodeChum Admin In life, anything can happen. Yesterday we're happy, tomorrow we're sad. One moment we're up, the next we're down. Life's odd. But that's what makes it beautiful ? In this program, let's try displaying all the odd numbers of our array, life, but with the use of functions! Instructions: In the code editor, you are provided with an array called, life. Furthermore, in the main(), a function call was made to the function displayOdd() where the array life was passed as well as the size of life which is 90.Your task is to declare and define the function displayOdd() which has the following details:Return type - voidName - displayOddParametersint* - an arrayint - the size of the arrayDescription - displays all the odd numbers found in the array passed, starting from the end. Output Odd element at index 80: 33Odd element at index 77: 69Odd element at index 76: 17Odd element at index 73: 15Odd element at index 69: 101....arrow_forwardUSE C++ (Display matrix of 0s and 1s) Write a function that displays an n-by-n matrix using the following header: void printMatrix(int n) Each element is 0 or 1, which is generated randomly. Write a test program that prompts the user to enter n and displays an n-by-n matrix. Here is a sample run:arrow_forward
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- (Java) The objective is to write a program that reads CSV data and emits HTML data. Theprogram should accept input line-by-line in CSV format. Then the program should produceoutput line-by-line in HTML format. You may use Scanners but should not need any otherimports. (Note that regular expressions are forbidden for this assignment.) Special Case Requirements • Ignore all lines that begin with #. These represent comments in the data that should not be included. If the # character appears anywhere else, treat it as a regular character. • Treat escaped commas as regular characters. A comma is considered escaped if it is preceded by a backslash. • These special cases are summarized in the example below:arrow_forward(C PROGRAMMING ONLY!) 6. Teaching the Dog To Sitby CodeChum Admin Ever since I was a kid, I've always wanted to see a dog sit because it's so cute ? Let's create a function that lets a dog sit! Instructions: In the code editor, you are provided with the definition of a struct Dog. This struct needs an integer value for its age. Furthermore, in the main, a Dog is already created for you and is passed to a call to a function, sit().Your task is to declare and define the function sit() which has the following details:Return type - voidName - sitParameters - 1 DogDescription - prints the message, "Arf arf! My age is <AGE_OF_DOG> and I know how to sit!"Input 1. The age of the Dog Output Enter age of Dog: 3Arf arf! My age is 3 and I know how to sit!arrow_forward(C PROGRAMMING ONLY) 1. Spell-it-out!by CodeChum Admin Are you intimidated with complicated words? Don't be! The trick is to break it down letter by letter! Let’s create a program that prints out the character in the array index indicated by the input integer. For example, if the array has 3 character elements, 'j', 'r', and 'd', and the inputted integer value is 1, then we print 'r' because 'r' is found at index 1. Instructions: In the code editor, you are provided with an array of characters (or a string).Your task is to ask the user for an integer input which represents the index and then print out the character of the string found at that index.Input 1. Index of the array Output Enter the index: 4rarrow_forward
- (C PROGRAMMING ONLY) 6. Deal or No Deal?by CodeChum Admin When I was a kid, I used to watch this TV game show, Deal or No Deal? In the game, there are different brief cases, each labeled with a number. Inside each brief case is an amount in Pesos and the goal is to guess which briefcase contains the smallest amount. In this program, instead of just finding the smallest amount, your task is to ask the user for an integer input and print the values in the array smaller than the inputted integer. Instructions: In the code editor, you are provided with an array with 100 elements.Your task is to ask the user for an integer input and then print all the elements in the array whose value is lesser than the inputted integer.Input 1. Inputted integer Output Enter value: 6132450351503022244arrow_forward(PYTHON) (Display characters) Write a function that prints characters using the following header: def printChars(ch1, ch2, numberPerLine): This function prints the characters between ch1 and ch2 with the specified numbers per line. Write a test program that prints ten characters per line from 1 to Z.arrow_forwardLanguage: C++ (Apartment problem) A real estate office handles , say, 50 apartment units. When the rent is, say, $600 per month, all the units are occupied. However, for each, say $40 increase in rent, one unit becomes vacant. Moreover, each occupied unit requires an average of $27 per month for maintenance. How many units should be rented to maximize the profit? Write a program that prompts the user to enter: The total number of units. The rent to occupy all the units. The increase in rent that results in a vacant unit. Amount to maintain rented unit. The program then outputs the number of units to be rented to maximize the profit. Note: Please include the pseudocodearrow_forward
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