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undefined function or variable 'N'

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Mitul Dattani
Mitul Dattani 2017-11-15
回答： KSSV 2017-11-15
why do i get the error in the title. I also tried iteration(n), the file is named the same aswell and I cant seem t get past the error message.
function iteration
% Summary of this function goes here
% Detailed explanation goes here
% Sum variable put to 0
S = 0;
% Input n
n = input('Please give the nuber of iterations: ');
%the sum is constructed
for k=0:n
S=S+(1+(4/(S+1)));
end
end

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回答（1 个）

KSSV
KSSV 2017-11-15
function S = iteration(n)
% Summary of this function goes here
% Detailed explanation goes here
% Sum variable put to 0
S = 0 ;
%the sum is constructed
for k=0:n
S=S+(1+(4/(S+1)));
end
end
Now call it by:
n = 10 ;
S = iteration(n) ;

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