how to write a matlab code that sum all nonzero elements that divisible by 5 in a vector

Write a MATLAB script that inputs a vector V and then displays the sum and product of nonzero elements of V that are divisible by 5.

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You should try to solve this problem step by step. What did you try so far? What code did you try?
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回答(1 个)

V=input('input vector: ');
elements=V(and(V~=0,mod(V,5)==0));
fprintf(' sum = %4.2f\n product=%4.2f\n',sum(elements),prod(elements))
execution:
input vector: [5 0 10 2 8] sum = 15.00 product=50.000

2 个评论

You forgot the equals zero statement
mod(V,5)==0
Also I don't really see how this will help the asker in any way. You didn't explain anything you just gave the answer.
It's generally not the best idea to just give people answers to their homework questions. They won't learn anything, might hand it in as their own work without modification, they will be back for more easy answers, and the benefit to the community as a whole is virtually zero.

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Rik
2018-5-6

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