need solution asap for my hw about summing each character in student number that we input the data

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num=input('enter your student number here : ');
number is 20758562
how can i sum each number ?

采纳的回答

Abdolkarim Mohammadi
编辑:Abdolkarim Mohammadi 2020-5-22
num = input('enter your student number here : ');
NumChar = num2str (num);
MySum = 0;
for i1 = 1:numel (NumChar)
MySum = MySum + str2double (NumChar(i1));
end
fprintf ('Sum of the numbers is %d', MySum);
  3 个评论
Steven Lord
Steven Lord 2020-5-22
Does your function work for student number 12345678901234567890? Since it consists of the digits 0 through 9 twice each, the sum should be 90.
Abdolkarim Mohammadi
You are right. This code does not work for that large numbers that do not fit into double. Stephen's answer is the correct one.

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更多回答(1 个)

Stephen23
Stephen23 2020-5-22
The MATLAB way:
>> str = input('enter your student number here: ','s');
enter your student number here: 20758562
>> num = sum(str-'0')
num = 35

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