研究文章

一个点声源识别问题在一段时间内部分扩散方程

表2

例子1:数值比较

确切的 5 7 2 5 7
(0.3,1) (0.6,5) (0.5,10) (0.7,15) (0.2,25)

4.9670 7.3015 1.8876 5.1820 6.9783
(0.3016,1.0113) (0.6133,5.0007) (0.4816,10.0010) (0.7097,14.9972) (0.1985,24.9974)
4.9553 7.1001 1.9929 5.0736 6.9830
(0.3009,1.0117) (0.6057,4.9999) (0.4993,10.0079) (0.7061,15.0017) (0.1982,24.9966)
4.9891 7.0950 2.0070 4.9055 6.7970
(0.3041,1.0112) (0.6054,4.9992) (0.5018,10.0075) (0.7003,15.0016) (0.2031,25.0043)
4.9690 7.0538 1.9133 4.9015 6.7483
(0.3020,1.0114) (0.6041,4.9998) (0.4859,10.0036) (0.7002,15.0014) (0.2032,25.0023)
4.9678 7.0433 1.9759 4.9636 6.6110
(0.3022,1.0115) (0.6036,5.0003) (0.4966,10.0061) (0.7025,15.0035) (0.2078,25.0015)
4.9803 7.0981 2.0104 5.0513 6.6630
(0.3030,1.0103) (0.6052,4.9991) (0.5019,10.0072) (0.7047,15.0059) (0.2065,25.0024)