How to repeatedly remove the connecting lines between the first an the last points on a surf plot.

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Benedikt Wessel 2018-8-30

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https://ww2.mathworks.cn/matlabcentral/answers/416897-how-to-repeatedly-remove-the-connecting-lines-between-the-first-an-the-last-points-on-a-surf-plot

评论： Benedikt Wessel 2018-9-4

Its a plot with dates on the x-axis, time on the y-axis and power usage on the z-axis. So i got the mentioned issue for every day in the year and cannot fix it manually. As you can see im an absolute beginner in Matlab.... Thanks for help.

a=nan(1,208)';
date=[column1;a];
time=[column2;a];
usage=[column3*3.5*77.826;a];
datere=reshape(date,188,[]);
usagere=reshape(usage,188,[]);
timere=reshape(time,188,[]);
surf(datere,timere,usagere)

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jonas 2018-8-30

Could you upload the data?

Stephen23 2018-8-31

编辑：Stephen23 2018-8-31

Lastkurven.xlsx

Benedikt Wessel's "Answer" moved here:

Yes of course, i only need the first sheet.

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jonas 2018-8-31

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https://ww2.mathworks.cn/matlabcentral/answers/416897-how-to-repeatedly-remove-the-connecting-lines-between-the-first-an-the-last-points-on-a-surf-plot#answer_334867

编辑：jonas 2018-8-31

在 MATLAB Online 中打开

Here is your lastkurven!

TT=readtable('Lastkurven.xlsx');
Date=TT.Date;
Time=duration(days(TT.Time),'format','hh:mm');
x=unique(Date)
y=unique(Time)
z=reshape(TT{:,3},length(y),length(x));
surf(x,y,z)

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Benedikt Wessel 2018-8-31

A very helpful Information, I think I have to use this in my next tasks. Thanks mate

Benedikt Wessel 2018-9-4

I got a new issue, regarding the second page on the excel sheet. Why isn't the code working there? I think its because of some missing data, should I interpolate there like you already mentioned or what should I do?

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