How to select value

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huang
huang 2013-11-30
回答： TAMILAN 2024-7-3
clear Z=[-4:1:2];H=[0:1:4]; [xx,yy]=meshgrid(Z,H); zz=0.4166+0.0456.*yy-0.2343.*xx; if zz>=1 then zz=1 end if zz<=0 then zz=0 figure surf(xx,yy,zz) I want the value staying at (0,1), how to make this happen? and why this program doesn't work

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Azzi Abdelmalek
Azzi Abdelmalek 2013-11-30
clear
Z=[-4:1:2];
H=[0:1:4];
[xx,yy]=meshgrid(Z,H);
zz=0.4166+0.0456.*yy-0.2343.*xx;
zz(zz>1)=1
zz(zz<0)=0
figure
surf(xx,yy,zz)
  2 个评论
huang
huang 2013-11-30
thanks you! and how to make 'if' sentence work in this context?
Azzi Abdelmalek
Azzi Abdelmalek 2013-11-30
clear
Z=[-4:1:2];
H=[0:1:4];
[xx,yy]=meshgrid(Z,H);
zz=0.4166+0.0456.*yy-0.2343.*xx;
for k=1:numel(zz)
if zz(k)>1
zz(k)=1
elseif zz(k)<0
zz(k)=0
end
end
figure
surf(xx,yy,zz)

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更多回答（1 个）

TAMILAN
TAMILAN 2024-7-3
clear
Z=[-4:1:2];
H=[0:1:4];
[xx,yy]=meshgrid(Z,H);
zz=0.4166+0.0456.*yy-0.2343.*xx;
for k=1:numel(zz)
if zz(k)>1
zz(k)=1
elseif zz(k)<0
zz(k)=0
end
end
figure
surf(xx,yy,zz)

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