Determine The Input Time with tic,toc

Question

Yusuf Oguzhan Turgut 2019-6-10

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https://ww2.mathworks.cn/matlabcentral/answers/466416-determine-the-input-time-with-tic-toc

评论： Walter Roberson 2019-6-11

Hello, I want to elapse the time that user spend on entering input. How can i do that ? I tried this below but MATLAB gave like 3.6175e-05 seconds. It looks really short. Here is my code

tic;
 userinput = get(hObject,'String');
 ts=toc;
 disp(ts);
 a = 5;
 
 timeratio = ts/a ; 
 set(handles.text12,'String',num2str(timeratio,'%.0f'));
 disp(timeratio);

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Walter Roberson 2019-6-11

Perhaps you should look at the third party Psychtoolbox

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Answer 1

per isakson 2019-6-11

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https://ww2.mathworks.cn/matlabcentral/answers/466416-determine-the-input-time-with-tic-toc#answer_378640

编辑：per isakson 2019-6-11

I assume that hObject is a uicontrol object of style edit.

Your current script reads the elapse time of getting the current string-value of the edit box. That time is not affected by the users interaction with the edit box.

User interaction with the edit box object invokes various callbacks (if set up properly). I assume that it is possible to let one callback run tic and another toc. The callbacks are well documented, see Callbacks for Specific Components as a starting point.