I am attempting to only allow users to respond using the 'j' key or the 'k' key. For some reason MATLAB doesn't allow users to respond using the 'k' key. Instead it displays the error that "'k' is an undefined function or variable"
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I have the following code; it allows users to respond using the 'j' key but unfortunately not the 'k' key.
f=figure(1);
for i=1:21
imshow(all_images{i});
shg;
txt=sprintf('%d/%d: Was the consonent shown the same as N before?:', i, N);
response= input(txt);
if response== j|| response== k
continue
else
disp('Letter pressed is not accepted')
end
fprintf(fid, 'stimuli: %d/t response: %s/n', i, response);
fclose(fid);
end
Thank you for your help.
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Antworten (1)
madhan ravi
am 25 Jan. 2019
response=input(txt,'s')
% ^^^---- missed it
doc input % read what 's' does
Note: See when you enter j you don't get an error because matlab interprets j as an imaginary unit.
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