Unable to perform assignment because the indices on the left side are not compatible with the size of the right side.

fid = fopen('zaki_susu_preproc.txt','r'); %open file txt
C = textscan(fid,'%f%f%f%f');
fclose(fid);
YR = cell2mat(C); %ERROR
x1 = YR(:,2:2); %choose one column
fs = 250; %sampling freq
figure(1) %plot sinyal
plot(x1) 



Unable to perform assignment because the indices on the left side
are not compatible with the size of the right side.

Error in cell2mat (line 46)
        M(i,j) = C{i,j};

Error in coba1 (line 4)
YR = cell2mat(C);

[Image Analyst]

You forgot to attach 'zaki_susu_preproc.txt'! So what can we do?

If you have any more questions, then attach your data and code to read it in with the paperclip icon after you read this:

TUTORIAL: How to ask a question (on Answers) and get a fast answer

Answer 1

[Walter Roberson]

Error in cell2mat (line 46)
      M(i,j) = C{i,j};

That line of code does not exist in Mathworks cell2mat, at least not in 2019 or later. What shows up for

which -all cell2mat