self service checkout machine

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Lauren
Lauren el 15 de Jul. de 2022
Comentada: Steven Lord el 18 de Jul. de 2022
Hi i need to use MATLAB to create a self service checkout machine that gives the user the optimal change using the formula -
change = payment - puchase
using valid australian coins and notes
  6 comentarios
Lauren
Lauren el 18 de Jul. de 2022
Thats what im confused about, im not sure how to get the optimal change with a matlab code
Steven Lord
Steven Lord el 18 de Jul. de 2022
Don't worry about the MATLAB code for right now. Assume you have an adequate supply of 5c, 10c, 20c, 50c, $1, and $2 coins. Write out in words not code the procedure you'd follow manually for giving $4.65 in change. Imagine you're trying to teach a child how to complete that task, so don't handwave any of the steps.
Do you start off with the 5c coins, the $2 coins, or one of the other denominations?

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Hiro Yoshino
Hiro Yoshino el 15 de Jul. de 2022
Editada: Hiro Yoshino el 15 de Jul. de 2022
How about this? Is this what you expected?
change = 978;
% Ausie coins
coins = [1 2 5 10 20 50 100 200];
numCoins = zeros(size(coins)); % memory allocated
%
for i=numel(coins):-1:1
numCoins(i) = fix(change/coins(i));
change = mod(change,coins(i));
end
bar(coins,numCoins);
coins
coins = 1×8
1 2 5 10 20 50 100 200

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