How to highlight a row in a surface plot?

2019 2 4
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更新时间：2020 10 21
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Hello all,
I have done some calculation and in the result i have created a surface plot.
Actually the plot is divided in two separate matrix and i am jus adding them together to form a whole surface plot
How could i show the line of separation. I want to highlight this line in Surface plot and i know the row index.
Please suggest me any function the expected picture can be seen in the attachments.
Thank you

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madhan ravi
madhan ravi 2019-2-4
If you know the row index then:
plot(matrix(index,:),'--k') % just give it a try
it is forming some where down. and not at exact point
madhan ravi
madhan ravi 2019-2-4
If you could share the data it would be easy to analyse what’s going on.
its very big with lot of files to be loaded in a program so i cant share it

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KSSV
KSSV 2019-2-4

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[X,Y,Z] = peaks(100) ;
% seperate here (pick some row randomly)
idx = randsample(100,1) ;
figure
hold on
surf(X,Y,Z) ;
plot3(X(idx,:),Y(idx,:),Z(idx,:),'r','LineWidth',3)

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Indira
Indira 2020-10-21
Hi KSSV,
If I have X and Y as vectors and Z a matrix of mxn?
Thanks for your support.

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