plot date/time from matrix

Question

Sharon 2012-5-27

0
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https://ww2.mathworks.cn/matlabcentral/answers/39553-plot-date-time-from-matrix

I have matrix as follows:

    '12-Jan-2012 14:22:00'    [10]
    '12-Jan-2012 14:23:00'    [12]
    '12-Jan-2012 14:24:00'    [13]

I need to plot column 1 against column 2. Any help will be appreciated..

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Answer 1

Thomas 2012-5-27

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https://ww2.mathworks.cn/matlabcentral/answers/39553-plot-date-time-from-matrix#answer_49182

在 MATLAB Online 中打开

I guess u need:

 a={'12-Jan-2012 14:22:00'    10
    '12-Jan-2012 14:23:00'    12
    '12-Jan-2012 14:24:00'    13};
 c=datenum(a(:,1),'dd-mmm-yyyy HH:MM:SS');
 plot(c,cell2mat(a(:,2)))     % the mat2cell will only be required if you do not have double in column 2
 datetick('x')