a 3d plot but in a specific range

2022 11 7
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更新时间：2022 11 7
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I have the code:
clear all
clc
close all
[x,y] = meshgrid(1:0.2:10);
psi_19 = (2*x) + y - (x*y) - 2
psi_19 = 46×46
1.0e+03 * -1.7148 -1.7144 -1.7140 -1.7136 -1.7132 -1.7128 -1.7124 -1.7120 -1.7116 -1.7112 -1.7108 -1.7104 -1.7100 -1.7096 -1.7092 -1.7088 -1.7084 -1.7080 -1.7076 -1.7072 -1.7068 -1.7064 -1.7060 -1.7056 -1.7052 -1.7048 -1.7044 -1.7040 -1.7036 -1.7032 -1.7146 -1.7142 -1.7138 -1.7134 -1.7130 -1.7126 -1.7122 -1.7118 -1.7114 -1.7110 -1.7106 -1.7102 -1.7098 -1.7094 -1.7090 -1.7086 -1.7082 -1.7078 -1.7074 -1.7070 -1.7066 -1.7062 -1.7058 -1.7054 -1.7050 -1.7046 -1.7042 -1.7038 -1.7034 -1.7030 -1.7144 -1.7140 -1.7136 -1.7132 -1.7128 -1.7124 -1.7120 -1.7116 -1.7112 -1.7108 -1.7104 -1.7100 -1.7096 -1.7092 -1.7088 -1.7084 -1.7080 -1.7076 -1.7072 -1.7068 -1.7064 -1.7060 -1.7056 -1.7052 -1.7048 -1.7044 -1.7040 -1.7036 -1.7032 -1.7028 -1.7142 -1.7138 -1.7134 -1.7130 -1.7126 -1.7122 -1.7118 -1.7114 -1.7110 -1.7106 -1.7102 -1.7098 -1.7094 -1.7090 -1.7086 -1.7082 -1.7078 -1.7074 -1.7070 -1.7066 -1.7062 -1.7058 -1.7054 -1.7050 -1.7046 -1.7042 -1.7038 -1.7034 -1.7030 -1.7026 -1.7140 -1.7136 -1.7132 -1.7128 -1.7124 -1.7120 -1.7116 -1.7112 -1.7108 -1.7104 -1.7100 -1.7096 -1.7092 -1.7088 -1.7084 -1.7080 -1.7076 -1.7072 -1.7068 -1.7064 -1.7060 -1.7056 -1.7052 -1.7048 -1.7044 -1.7040 -1.7036 -1.7032 -1.7028 -1.7024 -1.7138 -1.7134 -1.7130 -1.7126 -1.7122 -1.7118 -1.7114 -1.7110 -1.7106 -1.7102 -1.7098 -1.7094 -1.7090 -1.7086 -1.7082 -1.7078 -1.7074 -1.7070 -1.7066 -1.7062 -1.7058 -1.7054 -1.7050 -1.7046 -1.7042 -1.7038 -1.7034 -1.7030 -1.7026 -1.7022 -1.7136 -1.7132 -1.7128 -1.7124 -1.7120 -1.7116 -1.7112 -1.7108 -1.7104 -1.7100 -1.7096 -1.7092 -1.7088 -1.7084 -1.7080 -1.7076 -1.7072 -1.7068 -1.7064 -1.7060 -1.7056 -1.7052 -1.7048 -1.7044 -1.7040 -1.7036 -1.7032 -1.7028 -1.7024 -1.7020 -1.7134 -1.7130 -1.7126 -1.7122 -1.7118 -1.7114 -1.7110 -1.7106 -1.7102 -1.7098 -1.7094 -1.7090 -1.7086 -1.7082 -1.7078 -1.7074 -1.7070 -1.7066 -1.7062 -1.7058 -1.7054 -1.7050 -1.7046 -1.7042 -1.7038 -1.7034 -1.7030 -1.7026 -1.7022 -1.7018 -1.7132 -1.7128 -1.7124 -1.7120 -1.7116 -1.7112 -1.7108 -1.7104 -1.7100 -1.7096 -1.7092 -1.7088 -1.7084 -1.7080 -1.7076 -1.7072 -1.7068 -1.7064 -1.7060 -1.7056 -1.7052 -1.7048 -1.7044 -1.7040 -1.7036 -1.7032 -1.7028 -1.7024 -1.7020 -1.7016 -1.7130 -1.7126 -1.7122 -1.7118 -1.7114 -1.7110 -1.7106 -1.7102 -1.7098 -1.7094 -1.7090 -1.7086 -1.7082 -1.7078 -1.7074 -1.7070 -1.7066 -1.7062 -1.7058 -1.7054 -1.7050 -1.7046 -1.7042 -1.7038 -1.7034 -1.7030 -1.7026 -1.7022 -1.7018 -1.7014
surf(x,y,psi_19)
Now, I want to plot the function in 0<=x<=1 and 2<=y<=3
Please help
Thanks

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KSSV
KSSV 2022-11-7
编辑：KSSV 2022-11-7
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Ran in:
You pick your x,y to the given range.
x = linspace(0,1) ;
y = linspace(2,3) ;
[X,Y] = meshgrid(x,y);
psi_19 = (2*X) + Y - (X*Y) - 2 ;
surf(X,Y,psi_19)

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