MATLAB: Error to applying ismember for cell arrays

ismember function

I really thanks in advance any help. I am trying to use the below command to find any variable from the A member of the B, but encountering with the error. Welcome any suggestion.
[~,JINDX] = cellfun(@(x)(ismember(B,x)),A,'Uni',false);
Error using cell/ismember (line 34)
Input A of class cell and input B of class char must be cell arrays of strings, unless one is a string.
Error in @(x)(ismember(B,x))
34 error(message('MATLAB:ISMEMBER:InputClass',class(a),class(b)));

Best Answer

load("example.mat") ;
N = length(A) ; 
A1 =zeros(N,1) ; 
for i = 1:N
  A1(i) = str2num(A{i}') ; 
end
B1 = cell2mat(B)' ; 
[c,ia] = ismemebr(A1,B1) ;
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