4D plot in Matlab

2019 5 14
2 个回答
更新时间：2019 5 20
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I have x,y,z as 3 axes & A is a matrix whose elements corresponds to for each point of x,y,z. How to plot A w.r.t. x,y & z axis?

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KSSV
KSSV 2019-5-14
Attach your data.....
Manisha Bajaj
Manisha Bajaj 2019-5-16
z = 9.5 for all coordinates
x = -3.5:1:4.5
y = 1.5:1:9.5
for Z=9.5
x --> -3.5 -2.5 -1.5 -0.5 0.5 1.5 2.5 3.5 4.5
y
1.5 0.7 0.8 0.7 0.9 0.8 0.8 0.7 0.7 0.8
2.5 0.8 0.8 0.7 0.9 0.7 0.7 0.9 0.8 0.9
3.5 0.8 1 0.9 0.9 0.9 0.9 1 0.8 0.9
4.5 0.7 0.9 0.8 0.9 0.7 0.8 0.8 0.8 0.8
5.5 0.7 0.9 0.6 0.7 0.7 0.9 0.7 0.8 0.9
6.5 0.7 0.8 0.8 0.7 0.8 0.7 0.6 0.6 0.7
7.5 0.7 0.9 0.7 0.7 1 0.6 0.6 0.7 0.8
8.5 0.8 1 0.8 0.8 0.9 0.6 0.7 0.6 0.8
9.5 0.7 0.8 0.8 1 0.8 0.7 0.8 0.8 0.7
Manisha Bajaj
Manisha Bajaj 2019-5-20
Thankyou so much for your response but this doesnt work for my data.. can you share some other idea?

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回答（2 个）

0 个投票

Hi Manisha,
Based on your given data sets (assuming that some large parts of data belong to [A] as shown below from XY). So you have x, y, z vs. A. In this case surf() would be the good option:
XY = [1.5 0.7 0.8 0.7 0.9 0.8 0.8 0.7 0.7 0.8 ;
2.5 0.8 0.8 0.7 0.9 0.7 0.7 0.9 0.8 0.9 ;
3.5 0.8 1 0.9 0.9 0.9 0.9 1 0.8 0.9 ;
4.5 0.7 0.9 0.8 0.9 0.7 0.8 0.8 0.8 0.8;
5.5 0.7 0.9 0.6 0.7 0.7 0.9 0.7 0.8 0.9 ;
6.5 0.7 0.8 0.8 0.7 0.8 0.7 0.6 0.6 0.7 ;
7.5 0.7 0.9 0.7 0.7 1 0.6 0.6 0.7 0.8 ;
8.5 0.8 1 0.8 0.8 0.9 0.6 0.7 0.6 0.8 ;
9.5 0.7 0.8 0.8 1 0.8 0.7 0.8 0.8 0.7 ];
X =[-3.5 -2.5 -1.5 -0.5 0.5 1.5 2.5 3.5 4.5 ];
Y = XY(:, 1)'; % or Y =1.5:1:9.5;
for ii = 1:numel(X)
x(ii,:)=[X];
y(ii,:) =[Y];
end
z = 9.5*ones(9,9);
A = XY(:, 2:end); % 1st column is Y and the rest [A], right?
surf(x, y, z, A), axis tight; shg
Good luck.

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