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How to display minimum valley point on the surface,which is drawn using symbolic variables

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Chandradhar Savanth
回答： Chandradhar Savanth 2014-1-14
Hi
syms w0 w1;
J = .9486-1.0544*w0+.8916*w1+w0*w1+1.1*(w0^2+w1^2);
figure;ezsurf(J);
i plotted a 3D surface using above code.I would like to know how to display valley or minimum point (with 3 coordinates)
of that surface in the same plot.

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采纳的回答

David Sanchez
David Sanchez 2014-1-14
syms w0 w1;
J = .9486-1.0544*w0+.8916*w1+w0*w1+1.1*(w0^2+w1^2);
figure;ezsurf(J);
hold on
plot3(-0.5,-0.1,1.8,'r*'); % use your data
hold off

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Chandradhar Savanth
Thank you,David sanchez

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