How to plot planes parallel to the coordinate axes given by

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y = linspace(0,5) ; 
x = linspace(0,5) ;
[Y,X] = meshgrid(y,x) ; 
Z = 3 ; 
surf(X,Y,Z)
hold on
x = linspace(0,5) ; 
z = linspace(0,5) ;
[Z,X] = meshgrid(z,x) ; 
Y = 2 ; 
surf(X,Y,Z)
hold on
y = linspace(0,5) ; 
z = linspace(0,5) ;
[Z,Y] = meshgrid(z,y) ; 
X = 1 ; 
surf(X,Y,Z)

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Answer 1

Voss 2022-7-10

编辑：Voss 2022-7-10

在 MATLAB Online 中打开

0 个投票

y = linspace(0,5) ;

x = linspace(0,5) ;

[Y,X] = meshgrid(y,x) ;

% Z = 3 ;

Z = 3*ones(size(X));

surf(X,Y,Z)

hold on

x = linspace(0,5) ;

z = linspace(0,5) ;

[Z,X] = meshgrid(z,x) ;

% Y = 2 ;

Y = 2*ones(size(X));

surf(X,Y,Z)

hold on

y = linspace(0,5) ;

z = linspace(0,5) ;

[Z,Y] = meshgrid(z,y) ;

% X = 1 ;

X = ones(size(Y));

surf(X,Y,Z)

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Atom 2022-7-10

Thanks a lot. what is ones(size(X))

Voss 2022-7-10

A matrix of ones the same size as X. This is done because X, Y, and Z need to be compatible sizes in surf (in this case I'm making X, Y, and Z all the same size).

References: ones, size

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How to plot planes parallel to the coordinate axes given by

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