exchange problems to 0.xyz (after the dot)

Question

yonatan friedman 2019-12-21

关闭： MATLAB Answer Bot 2021-8-20

making change problem

I need to exchange my money to "little-money" in this form :

[0.5 , 0.25 , 0.1 , 0.05 , 0.01]

I have : 0.68

the out put is : [1 , 0 , 1 , 1 , 3] %(0.5x1 + 0.25x0 + 0.1x1 + 0.05x1 + 3x0.01 = 0.68)

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other example :

the input is 0.99

the out put is : [1 , 1 , 2 , 0 , 4] %(0.5x1 + 0.25x1 + 0.1x2 + 0.05x0 + 0.01x4 = 0.99)

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此问题已关闭。

Answer 1

Walter Roberson 2019-12-21

coinvals = [0.5 , 0.25 , 0.1 , 0.05 , 0.01];
numcoins = [1 , 0 , 1 , 1 , 3];
total_value = coinvals * numcoins(:);