3d contour plot in MATLAB

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Pritesh Shah
Pritesh Shah on 7 Mar 2014
Commented: Pritesh Shah on 7 Mar 2014
I want to plot 3D contour in MATLAB. I have three dimensions (X, Y,X) and value of each value in specific grid.
Please help.
I have attached sample data set for the same.

Answers (1)

David Sanchez
David Sanchez on 7 Mar 2014
To read your data:
[my_data headers] = xlsread('test data.xlsx');
But you present 4D data: 3 coordinate and value. Yo have to choose what to plot against what. For example:
>> x=my_data(:,1);
>> y=my_data(:,2);
>> z=my_data(:,3);
>> tt=my_data(:,4);
>> plot3(x,y,tt)
>> tt2=reshape(tt,51,121);
>> contour(x(1:51),y(1:121),tt2')
  1 Comment
Pritesh Shah
Pritesh Shah on 7 Mar 2014
I want to plat tt data for every value of X, Y and Z.

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