hi,this is my code

2018 10 10
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更新时间：2018 10 15
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x=xlsread('book4','tabelle1','R1:AEK1');
>>
>> y=xlsread('book4','tabelle1','R2:AEK2339');
>> [X,Y]=meshgrid(x,y);
>> z=[1:1:2339];
>> [Z]=meshgrid(z);
>> surf(X,Y,Z)
but i get this erorr Error using surf (line 71) Data dimensions must agree.
can you help me,tnx

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回答（1 个）

Stephen23
Stephen23 2018-10-10

0 个投票

Replace this:
>> z=[1:1:2339];
>> [Z]=meshgrid(z);
With something like this:
>> Z = nan(size(Y));
>> Z(:) = 1:numel(Y);

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Amin Rezvanpour
Amin Rezvanpour 2018-10-15
tnx a lot for your answer,after this code:x=xlsread('book4','tabelle1','R1:AEK1'); >> y=xlsread('book4','tabelle1','R2:AEK2339'); >> [X,Y]=meshgrid(x,y); >> Z = nan(size(Y)); >> Z(:) = 1:numel(Y); >> surf(X,Y,Z) , now i get this error: Warning: MATLAB has disabled some advanced graphics rendering features by switching to software OpenGL. For more information, click here. Can you help me please.tnx
Stephen23
Stephen23 2018-10-15
"now i get this error: Warning: MATLAB has disabled some advanced graphics rendering features by switching to software OpenGL"
That is not an error, that is just a warning message telling you that MATLAB has changed which renderer it is using. Unless you have specific needs related to a specific renderer, you can just ignore that warning message.

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