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Can anyone explain this step:? Contour function

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FREDERICO CARVALHO
FREDERICO CARVALHO 2022-11-26
回答： KSSV 2022-11-26
Considering :
X = 80 x 800;
Y = 80 x 800
c = 80 x 800
Why the code below results in a 2 x 81 matrix (c5)?
c5 = contour(X,Y,c,[0.5 0.5]);

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回答（1 个）

KSSV
KSSV 2022-11-26
Ran in:
[X,Y,Z] = peaks(50) ;
c = contour(X,Y,Z) ;
hold on
plot(c(1,:),c(2,:),'*r')
axis([-3 3 -3 3])
It gives you the (x,y) coordinates of the contour lines.

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