how to draw multiple surfaces
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Hello, i would appreciate if someone knows how to draw multiple (several) surfaces in one figure (only one surface is created using the command "surf(x,y,z)") ? also how to draw a surface and a line in the same figure ? i guess this is related with combining-joining two (several) objects in one figure ... ? Thanks.
回答（2 个）
Andrei Bobrov
2011-12-14
e.g.
sf1 = @(X,Y)sqrt(4*X.^2+3*Y.^2);
sf2 = @(X,Y)sqrt(X.^2+Y.^2);
[X,Y]=ndgrid(-2:.1:2,-2:.1:2);
figure
surf(sf1(X,Y));
hold on
surf(sf2(X,Y));
Jan
2011-12-14
Another approach is creating the AXES object by:
AxesH = axes('NextPlot', 'add');
The default is 'NextPlot'='replace' such that inserting a new object delete already created objects.
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2011-12-14
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