How to plot a surface which is perpendicular to xy-plane
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I am trying to plot the surface determined by the function x = y(y-2) in 3-dimension. It is a plane perpendicular to xy-plane, and the intersection of this plane and xy-plane is a parabola. In MATLAB, usually we use surf(X, Y, Z) to plot a surface in 3-dimension, where X and Y are vectors with m and n elements respectively, and Z is a m*n matrix which z=f(x,y). However, the surf() is not able to be used here cause z is not a function of x and y. Which command should I use to construct the plane? Thank you very much.
Antworten (1)
Mischa Kim
am 24 Sep. 2014
Bearbeitet: Mischa Kim
am 24 Sep. 2014
Mary, use
[Y,Z] = meshgrid(-5:5,-5:5);
X = Y.*(Y - 2);
surf(X,Y,Z)
in other words, simply use Y and Z as the independent variables, X = X(Y,Z).
3 Kommentare
Long Vo
am 2 Okt. 2021
Thank you very much !!!!!
John Smith
am 16 Feb. 2022
Thank you sir!
汉森 戴
am 29 Nov. 2022
Thank you bro
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