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

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Tebogo Makobe
Tebogo Makobe 2021-8-10
回答： Prahlad Gowtham Katte 2022-2-17
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
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Pratik Chachad
Pratik Chachad 2021-8-10
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
Tebogo Makobe 2021-8-10
@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.

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回答（1 个）

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

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