Why getting this error ? how to fix it ?
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Hi all,
I am trying to achive coeffcient correlation but getting erorr "Unable to perform assignment because the indices on the left side are not compatible with the
size of the right side".
Following function being used:
for i=1: length(a_sw)-300
x(i)= corrcoef(a_sw (i:i+300), b_sw(i:i+300));
Time_x=i;
end
figure(1)
plot(a_sw,b_sw,'ko',a_sw,b_lin,'r');
xlabel('A')
ylabel('B')
Any help would be appreciated.
Thanks
5 个评论
Alex Mcaulley
2019-3-15
whos a_sw b_sw
Alex Mcaulley
2019-3-15
The problem are in those variables. What is the output of this line?
whos a_sw b_sw
Adam
2019-3-15
corrcoef returns a matrix. You are trying to assign it to x(i) which is a scalar.
Alex Mcaulley
2019-3-15
Yes, unless a_sw and b_sw were scalars
Jan
2019-3-19
@Bob: If you really appreciate the help of the forum, do not delete your question after solutions have been posted.
采纳的回答
Alex Mcaulley
2019-3-15
编辑：Alex Mcaulley
2019-3-15
As Adam said, probably your a_sw and b_sw are arrays and then the output of this
corrcoef(a_sw (i:i+300), b_sw(i:i+300));
is a matrix.
Then, to store those matrix you can use, for example, a cell array:
for i=1: length(a_sw)-300
x{i}= corrcoef(a_sw (i:i+300), b_sw(i:i+300));
Time_x=i;
end
figure(1)
plot(a_sw,b_sw,'ko',a_sw,b_lin,'r');
xlabel('A')
ylabel('B')
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