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# Loop and write into a cell

조회 수: 2(최근 30일)
Mark S 2020년 4월 4일
마감: MATLAB Answer Bot 2021년 8월 20일 18:41
Hello, i wanna accumulate the data in my script with a loop
l=[1,2,3,4,5,6,7,8,9,10]
S=[42600 35000 91850 20000 41060 30000 63100 10000 38500 30000]';
P=[65 840 50 176 48 638 14 130 32 45]';
X=S .* P;
sort(X,'descend');
a=sum(X);
p=cell(10,1);
c=cell(10,1);
for k=1:10
p{k}= (X(k)/a)*100
end
for k=1:10
c{k}=sum(p(1:,k) 1))
end
In this loop i wanna accumulate my data p and write it to the cell c.
for k=1:10
c{k}=sum(p(1:,k) 1))
end
But i get the error:
c{k}=sum(p(1:,k) 1))
Error: Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for mismatched
delimiters.
What is wrong here?

### 답변(1개)

ME 2020년 4월 4일
편집: ME 2020년 4월 4일
for k=1:10
c{k}=sum(p(1:,k) 1))
end
has two open (left) brackets and three close (right) brackets - so you have mismatched delimiters as suggested in your error message.
##### 댓글 수: 5표시숨기기 이전 댓글 수: 4
ME 2020년 4월 4일
You might just need to be careful with the data type of p. If you use ‘class()’ then you can check what data type your p commands are. You can then look up the Matlab documentation online for the acceptable classes for the sum command.

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