Answer to Question #303083 in MatLAB for MR Z

Question

Write a short comment explaining the code:

equipment = ["Power generator", "Transformer", "Stepper motor", "DC motor"];

price = [30, 10, 15, 8.5];

n = 4;

tot_number = 0;

tot_cost = 0;

for i=1:n

number = input("Enter number of " + equipment(i) + ": ");

tot_number = tot_number + number;

tot_cost = tot_cost + number * price(i);

end

avg_cost = tot_cost /tot_number;

fprintf("\n");

fprintf("The total number of equipment: %d\n", tot_number);

fprintf("The total cost: £%.2f\n", tot_cost);

fprintf("The average cost £%.2f per item\n", avg_cost);

Answer 1

close all,
clear all,
clc,

%Prepare the equipment list
equipment = {'Power generator', 'Transformer', 'Stepper motor', 'DC motor'}; 

%Prepare the equipment price list
price = [30, 10, 15, 8.5];

%Get the no. of equipments in a list
n = length(equipment);


%Initialize total equipment to zero
tot_number = 0;

%Initialize total cost to zero
tot_cost = 0;

%Initialize a for loop to get inputs from user
for i=1:n
    %Make a string to get input of each equipment    
    s = strcat('Enter number of ',32, equipment{i},': ');
    
    %Present the list and get input
    number = input(s);%'Enter number of ' + equipment(i,1) + ': ');
    
    %Get the total number of equipments
    tot_number = tot_number + number;
    
    % Make the total cost
    tot_cost = tot_cost + number * price(i);
end

%Get average cost
avg_cost = tot_cost /tot_number;

%print in command window all texts
fprintf('\n');

fprintf('\nThe total number of equipment: %d\n', tot_number);
fprintf('\nThe total cost: £%.2f\n', tot_cost);
fprintf('\nThe average cost £%.2f per item\n', avg_cost);
fprintf('\n\n');

Matlab Output

Enter number of Power generator:2

Enter number of Transformer:3

Enter number of Stepper motor:4

Enter number of DC motor:5

The total number of equipment: 14

The total cost: £192.50

The average cost £13.75 per item

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