f(x,y)=(x^2+y^2)/x = 0

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Nguyen Phuoc
Nguyen Phuoc 2020-6-28
编辑： VBBV 2025-1-24
How do I plot this function on 3D graph?
Thank you

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回答（2 个）

madhan ravi
madhan ravi 2020-6-28
doc fimplicit
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Nguyen Phuoc
Nguyen Phuoc 2020-6-28
编辑：Nguyen Phuoc 2020-6-28
fimplicit3 use to graph f(x,y,z)=0 in 3D but I have to draw f(x,y)=0 in 3D
madhan ravi
madhan ravi 2020-6-28
Read my original answer.

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VBBV
VBBV 2025-1-24
编辑：VBBV 2025-1-24
Ran in:
@Nguyen Phuoc use fsurf function or mesh function
% simple way
f = @(x,y) (x.^2 + y.^2)./x;
fsurf(f,[0,1])
% 2
x = linspace(0,1,100);
y = linspace(0,1,100);
[X,Y] = meshgrid(x,y);
mesh(X,Y,(X.^2+Y.^2)./X) % use a mesh
view([30,10])

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