主题:哪位大哥指点下这个图形怎么绘制
a=[1000 1200 1400 1600 1800 2000 2250 2500 2750 3000 3500 4000 4500 5000 5500 6000];
c=[
41.1 29.1 22.0 13.5 5.4 NaN NaN NaN NaN NaN NaN NaN NaN NaN NaN NaN
70.5 60.6 50.4 39.4 30.6 21.7 16.9 12.2 7.0 NaN NaN NaN NaN NaN NaN NaN
98.8 89.9 78.5 67.4 56.0 47.1 37.7 31.6 25.3 18.5 9.1 0.2 NaN NaN NaN NaN
116.1 116.1 115.5 108.8 96.2 90.9 79.3 73.8 63.9 56.6 42.3 30.0 19.5 11.5 2.9 NaN
130.1 130.9 132.0 130.3 121.2 114.2 114.7 104.1 95.5 89.9 77.5 62.7 49.8 38.0 29.2 21.0
133.4 137.2 140.4 140.0 134.1 133.7 134.2 126.5 120.3 111.4 105.4 96.8 84.7 64.3 58.6 46.9
135.6 139.9 144.4 147.1 142.2 141.4 145.8 140.3 137.7 133.8 134.3 133.0 119.6 112.0 96.5 80.3
135.9 141.4 145.6 149.4 146.3 147.1 153.2 149.0 146.6 143.2 150.5 151.3 144.8 131.3 125.1 108.2
136.5 142.4 146.5 150.4 149.5 152.8 155.6 155.6 154.7 151.7 164.2 169.4 166.3 162.8 155.6 138.3
137.8 144.4 148.5 152.4 152.6 156.5 160.4 159.7 158.9 156.8 170.6 178.6 181.5 182.0 165.1 154.0
139.0 146.4 150.4 154.4 155.8 160.2 165.1 163.8 162.3 159.8 171.7 182.2 185.0 184.8 174.0 159.9
140.2 148.4 152.3 156.4 158.9 163.9 169.9 167.9 165.8 162.7 172.8 183.1 186.2 185.9 178.8 163.0
];
b=[4;6;8;12;16;20;25;30;40;60;80;100];
figure;
surfc(a,b,c);
三个参数关系如果用平面表示 该怎么表示?
比如在b=4%的时候,能得到一个曲线;在b=8%的时候,能得到一个曲线;怎么把他们在一个平面图形上表示出来呢?
怎么才能从上面图形中得到我想要的数据?比如
按照b=[10;20;30;40;50;60;70;80;90;100 ];得到c和a
c=[
41.1 29.1 22.0 13.5 5.4 NaN NaN NaN NaN NaN NaN NaN NaN NaN NaN NaN
70.5 60.6 50.4 39.4 30.6 21.7 16.9 12.2 7.0 NaN NaN NaN NaN NaN NaN NaN
98.8 89.9 78.5 67.4 56.0 47.1 37.7 31.6 25.3 18.5 9.1 0.2 NaN NaN NaN NaN
116.1 116.1 115.5 108.8 96.2 90.9 79.3 73.8 63.9 56.6 42.3 30.0 19.5 11.5 2.9 NaN
130.1 130.9 132.0 130.3 121.2 114.2 114.7 104.1 95.5 89.9 77.5 62.7 49.8 38.0 29.2 21.0
133.4 137.2 140.4 140.0 134.1 133.7 134.2 126.5 120.3 111.4 105.4 96.8 84.7 64.3 58.6 46.9
135.6 139.9 144.4 147.1 142.2 141.4 145.8 140.3 137.7 133.8 134.3 133.0 119.6 112.0 96.5 80.3
135.9 141.4 145.6 149.4 146.3 147.1 153.2 149.0 146.6 143.2 150.5 151.3 144.8 131.3 125.1 108.2
136.5 142.4 146.5 150.4 149.5 152.8 155.6 155.6 154.7 151.7 164.2 169.4 166.3 162.8 155.6 138.3
137.8 144.4 148.5 152.4 152.6 156.5 160.4 159.7 158.9 156.8 170.6 178.6 181.5 182.0 165.1 154.0
139.0 146.4 150.4 154.4 155.8 160.2 165.1 163.8 162.3 159.8 171.7 182.2 185.0 184.8 174.0 159.9
140.2 148.4 152.3 156.4 158.9 163.9 169.9 167.9 165.8 162.7 172.8 183.1 186.2 185.9 178.8 163.0
];
b=[4;6;8;12;16;20;25;30;40;60;80;100];
figure;
surfc(a,b,c);
三个参数关系如果用平面表示 该怎么表示?
比如在b=4%的时候,能得到一个曲线;在b=8%的时候,能得到一个曲线;怎么把他们在一个平面图形上表示出来呢?
怎么才能从上面图形中得到我想要的数据?比如
按照b=[10;20;30;40;50;60;70;80;90;100 ];得到c和a