05-18.txt

来自「MATLABR2007教程以及i习题和答案」· 文本 代码 · 共 31 行

>> @(x)sin(x);

>> fun=@(x)sin(x);

>> [q,fcont]=quad(fun,0,pi,1e-6,1)

>> fplot(fun,[0,pi],'b');

>> hold on;

>> trace=[       9     0.0000000000    8.53193733e-001     0.3424195349
      11     0.0000000000    4.26596866e-001     0.0896208493
      13     0.4265968664    4.26596866e-001     0.2527987545
      15     0.8531937329    1.43520519e+000     1.3151544267
      17     0.8531937329    7.17602594e-001     0.6575803480
      19     0.8531937329    3.58801297e-001     0.3064282767
      21     1.2119950298    3.58801297e-001     0.3511521177
      23     1.5707963268    7.17602594e-001     0.6575803480
      25     1.5707963268    3.58801297e-001     0.3511521177
      27     1.9295976238    3.58801297e-001     0.3064282767
      29     2.2883989207    8.53193733e-001     0.3424195349
      31     2.2883989207    4.26596866e-001     0.2527987545
      33     2.7149957872    4.26596866e-001     0.0896208493
];

>> x=trace(:,2);

>> y=fun(x);

>> plot(x,y,'.')