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发表于 2010-9-2 12:46:10
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来自 黑龙江哈尔滨
楼主,如果画三维曲线的话用plot3(x,y,z)就ok:A=[];x=A(:,1);y=A(:,2);z=A(:,3);plot3(x,y,z)
如果画三维曲面的话,用下面这段
A=[0.00 0.00 42.188
0.00 70.00 74.068
0.00 140.00 86.476
0.00 210.00 88.398
0.00 280.00 100.57
0.00 350.00 135.21
0.00 420.00 162.62
0.00 490.00 185.97
0.00 560.00 201.18
0.00 630.00 211.03
0.00 700.00 216.13
0.00 770.00 223.23
0.00 840.00 236.2
0.00 910.00 243.77
0.00 980.00 248.56
0.00 1050.00 252.24
0.00 1120.00 260.36
0.00 1190.00 265.6
0.00 1260.00 264.89
0.00 1330.00 253.06
0.00 1400.00 229.2
0.00 1470.00 187.88
0.00 1540.00 99.513
80.00 0.00 48.831
80.00 70.00 75.252
80.00 140.00 83.232
80.00 210.00 82.238
80.00 280.00 99.803
80.00 350.00 132.2
80.00 420.00 161.48
80.00 490.00 182.78
80.00 560.00 200.09
80.00 630.00 209.03
80.00 700.00 218.78
80.00 770.00 224
80.00 840.00 231.77
80.00 910.00 240.59
80.00 980.00 244.38
80.00 1050.00 250.93
80.00 1120.00 257.81
80.00 1190.00 262.04
80.00 1260.00 260.12
80.00 1330.00 249.71
80.00 1400.00 225.85
80.00 1470.00 184.27
80.00 1540.00 101.18
160.00 0.00 48.939
160.00 70.00 75.332
160.00 140.00 82.259
160.00 210.00 81.445
160.00 280.00 97.707
160.00 350.00 132.52
160.00 420.00 159.96
160.00 490.00 182.26
160.00 560.00 197.76
160.00 630.00 210.16
160.00 700.00 222.62
160.00 770.00 229.62
160.00 840.00 233.56
160.00 910.00 237.82
160.00 980.00 240.27
160.00 1050.00 249.62
160.00 1120.00 259.16
160.00 1190.00 264.12
160.00 1260.00 262.43
160.00 1330.00 252.77
160.00 1400.00 230.27
160.00 1470.00 188.85
160.00 1540.00 104.2
240.00 0.00 49.796
240.00 70.00 75.337
240.00 140.00 81.969
240.00 210.00 82.654
240.00 280.00 96.534
240.00 350.00 133.02
240.00 420.00 159.26
240.00 490.00 180.3
240.00 560.00 196.52
240.00 630.00 209.81
240.00 700.00 221.6
240.00 770.00 231.33
240.00 840.00 237.35
240.00 910.00 241.96
240.00 980.00 246.11
240.00 1050.00 254.71
240.00 1120.00 264.28
240.00 1190.00 270.48
240.00 1260.00 268.86
240.00 1330.00 258.21
240.00 1400.00 234.44
240.00 1470.00 190.93
240.00 1540.00 105.45
320.00 0.00 47.269
320.00 70.00 74.734
320.00 140.00 82.612
320.00 210.00 81.3
320.00 280.00 93.838
320.00 350.00 132.42
320.00 420.00 158.58
320.00 490.00 179.2
320.00 560.00 197.4
320.00 630.00 211.04
320.00 700.00 222.91
320.00 770.00 231.52
320.00 840.00 239.53
320.00 910.00 245.1
320.00 980.00 250.69
320.00 1050.00 258.23
320.00 1120.00 267.78
320.00 1190.00 275.59
320.00 1260.00 274.45
320.00 1330.00 261.56
320.00 1400.00 234.49
320.00 1470.00 189.15
320.00 1540.00 103.61
400.00 0.00 47.491
400.00 70.00 75.052
400.00 140.00 83.37
400.00 210.00 82.443
400.00 280.00 96.256
400.00 350.00 133.59
400.00 420.00 159.41
400.00 490.00 181.83
400.00 560.00 199.56
400.00 630.00 217.22
400.00 700.00 229.78
400.00 770.00 236.2
400.00 840.00 244.32
400.00 910.00 249.53
400.00 980.00 254.02
400.00 1050.00 260.53
400.00 1120.00 271.78
400.00 1190.00 280.92
400.00 1260.00 279.37
400.00 1330.00 261.97
400.00 1400.00 228.84
400.00 1470.00 180.78
400.00 1540.00 98.347
480.00 0.00 42.118
480.00 70.00 78.719
480.00 140.00 86.721
480.00 210.00 88.737
480.00 280.00 104.06
480.00 350.00 135.93
480.00 420.00 161.53
480.00 490.00 185.22
480.00 560.00 206.03
480.00 630.00 218.86
480.00 700.00 235.81
480.00 770.00 246.63
480.00 840.00 257.94
480.00 910.00 255.41
480.00 980.00 265.75
480.00 1050.00 270.15
480.00 1120.00 274.96
480.00 1190.00 288.13
480.00 1260.00 284.25
480.00 1330.00 262.06
480.00 1400.00 229.77
480.00 1470.00 180.37
480.00 1540.00 96.747
];
figure; box on; hold on; view(3);
plot3(A(:, 1), A(:, 2), A(:, 3), 'r.');
t1 = linspace(min(A(:, 1)), max(A(:, 1)));
t2 = linspace(min(A(:, 2)), max(A(:, 2)));
[x, y] = meshgrid(t1, t2);
z = griddata(A(:, 1), A(:, 2), A(:, 3), x, y);
mesh(x, y, z); |
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