# need help find the sum of the vector by the function

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Eyad Ramadan 2020 年 7 月 29 日
コメント済み: Cris LaPierre 2020 年 7 月 29 日
find the sum of the vector by the function
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Cris LaPierre 2020 年 7 月 29 日
Is this related to your earlier question?

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### 回答 (1 件)

Johannes Hougaard 2020 年 7 月 29 日
Under the assumption that only one instance of the minimum grade should be replaced, and that the minimum grade should be included in the average:
function total = grades(v)
[~,idx] = min(v);
v(idx) = mean(v); % given that the minimum grade should be part of the calculated average
total = sum(v);
end
If all instances (e.g. both sixes in v = [12 6 6 10 13]) should be replaced
function total = grades(v)
exclude = v == min(v);
v(exclude) = mean(v); % or v(exclude) = mean(v(~exclude)) if minimum should be excluded from calculation;
total = sum(v);
end

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