I dont know how to script this operation.

2 vues (au cours des 30 derniers jours)
James T
James T le 4 Sep 2017
Modifié(e) : James T le 6 Sep 2017
function s = sumUp(X)
%Simple function in MATLAB.
% s=sumUp(x) is a function that returns s given s=Sigma(X(i)).
% Caution! X here is a vector: X=[ x1 x2 ... xn].
s = 0;
% ============= YOUR CODE HERE ==============
% Instructions: Return s given s=Sigma(X(i)), X is a vector.
% Use built-in function length(X) to obtain the length of X.
% Use for loop to sum up all elements of X.
% ===========================================
end
  2 commentaires
Image Analyst
Image Analyst le 4 Sep 2017
>> doc for
James T
James T le 5 Sep 2017
Thank you, for that. One of the examples shown solved it, but I need to clean it up a bit.

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Wonsang You
Wonsang You le 4 Sep 2017
Modifié(e) : Wonsang You le 4 Sep 2017
Try the following code.
function s = sumUp(X)
s = 0;
for s=1:length(X)
s = s + X(s);
end
end
  3 commentaires
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Image Analyst
Image Analyst le 5 Sep 2017
He should not have had s be both the accumulating variable and the loop index. It should be:
function s = sumUp(X)
s = 0;
for k = 1 : length(X)
s = s + X(k);
end
end
James T
James T le 6 Sep 2017
Modifié(e) : James T le 6 Sep 2017
I discovered it was the right script, but a few letters needed to be changed inside the statement after looking at the documents and noticing one of them used a different identifier. I am new to this style of scripting, but it's been fun so far! Thank you!

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