Need the function to run multiple times and store each data point for each input variable

The fucntion calculates the time spent on an excursion for a customer, but now that i have twenty customers. how can i call the function to calculate the time for each customer and store the data in my work space?

function time = getTimePerTrip(plane, customer, altitude)
Fleet = plane;
if customer.Weight > Fleet.WeightCapacity
   warning('Weight exceeds plane capacity');
end
if customer.Experience == "Beginner"
    t_spent = 30;
elseif customer.Experience == "Experienced"
    t_spent = 10;
end
time_ascend =  altitude/Fleet.LiftRate; % time taken to reach altitude
time_decend = 5*time_ascend; % time taken to decend to the ground
time = t_spent + time_decend + time_ascend; % total time

end

[Geoff Hayes]

Tebogo - how is your customer data currently stored? In an array or as seperate variables? If each customer is a different variable then I suggest that you combine them into an array of customers. Then, loop over each customer in this array and save the time spent to a different array (whose size will be the same as your customer array).

[Tebogo Makobe]

My customer data is randomly generated and stored as a structure. Which is the cause of my challenge

[Pratik Chachad]

@Tebogo Makobe what is the format of your customer structure ? is it something like the following ?

customer (1x1 struct) with 20 fields, were each field is a customer (1x1 struct) with 2 fields (Weight and Experience)

[Pratik Chachad]

If my previous assumption is true, Something like this should work.

function time_array = getTimePerTrip(plane, customer, altitude)

    Fleet = plane;
    
    % This will be the 20 customers
    all_customers = fieldnames(customer);
    
    %Store the time results in an array with same size as no of customers
    time_array = zeros(length(all_customers),1);
    
    for i=1:length(all_customers)
        
        current_customer = customer.(all_customers{i});
      
        if current_customer.Weight > Fleet.WeightCapacity
            warning('Weight exceeds plane capacity');
        end
        if current_customer.Experience == "Beginner"
            t_spent = 30;
        elseif current_customer.Experience == "Experienced"
            t_spent = 10;
        end
        time_ascend =  altitude/Fleet.LiftRate; % time taken to reach altitude
        time_decend = 5*time_ascend; % time taken to decend to the ground
        time_array(i) = t_spent + time_decend + time_ascend; % total time
    end
end

[Tebogo Makobe]

@Pratik Chachad The customer data is a structure (1 x 20), with Fleet also as a structure (5 x 1). The function is supposed to be able to take mulitple customers and culculate the time spent for the excursion, and store time for each customer for further analysis.

Answer 1

[Prahlad Gowtham Katte]

Hello,

I understood that you want to execute the same function for customer where it is a 1x20 struct array. The following function is a modified function which calculates time per customer and stores it as an array.

function alltime = getTimePerTrip(plane, customer, altitude)
Fleet = plane;
alltime=zeros(1,length(customer));
for i=1:length(customer)
    current_customer=customer(i);
    if current_customer.Weight > Fleet.WeightCapacity
        warning('Weight exceeds plane capacity');
    end
    if current_customer.Experience == "Beginner"
        t_spent = 30;
    elseif current_customer.Experience == "Experienced"
        t_spent = 10;
    end
    time_ascend =  altitude/Fleet.LiftRate; % time taken to reach altitude
    time_decend = 5*time_ascend; % time taken to decend to the ground
    time = t_spent + time_decend + time_ascend; % total time
    alltime(i)=time;
end
end

The following links can be helpful in learning more about structures.

https://www.mathworks.com/help/matlab/ref/struct.html

Hope it helps