??? Error using ==> plot Invalid first data argument

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Mini Me
Mini Me 2014-5-13
评论： Mini Me 2014-5-13
filedir = dir('C:\Users\ValcourtA\Documents\WILMA\WILMA500Hz')
timerArray=[];
for cnt=1:5
battery=data(:,1)
timerArray=vertcat(timerArray,filedir(cnt).date)
plot(timerArray,Battery)
end
why do i get this error ??? Error using ==> plot Invalid first data argument

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回答（1 个）

Dishant Arora
Dishant Arora 2014-5-13
filedir(cnt).date is a character string. Use datenum
datenum(filedir(cnt).date)
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Dishant Arora
Dishant Arora 2014-5-13
make use of dateformnum , as a parameter to datetick
datetick('x' , 0 , 'keepticks') % after you plot.
for more information see the documentation of datetick.
Mini Me
Mini Me 2014-5-13
not working..graph comes up as a vertical line because of how closed the dates are....

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