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matlab 改變矩陣元素,怎麼修改矩陣中的某些元素 或者簡單點說保留矩陣中的元素...

該樓層疑似違規已被系統折疊 隐藏此樓檢視此樓

branch = [

120.00350.04110.6987990000001;

13960.0250.75990000001;

230.00130.01510.2572990000001;

2250.0070.00860.146990000001;

340.00130.02130.2214990000001;

3180.00110.01330.2138990000001;

450.00080.01280.1342990000001;

4100.00080.01290.1382990000001;

560.00020.00260.0434990000001;

580.00080.01120.1476990000001;

670.00060.00920.113990000001;

6110.00070.00820.1389990000001;

780.00040.00460.078990000001;

890.00230.03630.3804990000001;

9390.0010.0251.2990000001;

10110.00040.00430.0729990000001;

10130.00040.00430.0729990000001;

13140.00090.01010.1723990000001;

14150.00180.02170.366990000001;

15160.00090.00940.171990000001;

16170.00070.00890.1342990000001;

16190.00160.01950.304990000001;

16210.00080.01350.2548990000001;

16240.00030.00590.068990000001;

17180.00070.00820.1319990000001;

17270.00130.01730.3216990000001;

21220.00080.0140.2565990000001;

22230.00060.00960.1846990000001;

23240.00220.0350.361990000001;

25260.00320.03230.513990000001;

26270.00140.01470.2396990000001;

26280.00430.04740.7802990000001;

26290.00570.06251.029990000001;

28290.00140.01510.249990000001;

12110.00160.043509900001.00601;

12130.00160.043509900001.00601;

63100.02509900001.0701;

103200.0209900001.0701;

19330.00070.014209900001.0701;

20340.00090.01809900001.00901;

223500.014309900001.02501;

23360.00050.02720990000101;

25370.00060.023209900001.02501;

23000.018109900001.02501;

29380.00080.015609900001.02501;

19200.00070.013809900001.0601;

];

這個矩陣在command window輸出來是經過四舍五入的 怎麼原封不動的輸出

branch =

1.0e+003 *

Columns 1 through 9

0.0010 0.0020 0.0000 0.0000 0.0007 9.9000 0 0 0

0.0010 0.0390 0.0060 0.0000 0.0008 9.9000 0 0 0

0.0020 0.0030 0.0000 0.0000 0.0003 9.9000 0 0 0

0.0020 0.0250 0.0000 0.0000 0.0001 9.9000 0 0 0

0.0030 0.0040 0.0000 0.0000 0.0002 9.9000 0 0 0

0.0030 0.0180 0.0000 0.0000 0.0002 9.9000 0 0 0

0.0040 0.0050 0.0000 0.0000 0.0001 9.9000 0 0 0

0.0040 0.0100 0.0000 0.0000 0.0001 9.9000 0 0 0

0.0050 0.0060 0.0000 0.0000 0.0000 9.9000 0 0 0

0.0050 0.0080 0.0000 0.0000 0.0001 9.9000 0 0 0

0.0060 0.0070 0.0000 0.0000 0.0001 9.9000 0 0 0

0.0060 0.0110 0.0000 0.0000 0.0001 9.9000 0 0 0

0.0070 0.0080 0.0000 0.0000 0.0001 9.9000 0 0 0

0.0080 0.0090 0.0000 0.0000 0.0004 9.9000 0 0 0

0.0090 0.0390 0.0000 0.0000 0.0012 9.9000 0 0 0

0.0100 0.0110 0.0000 0.0000 0.0001 9.9000 0 0 0

0.0100 0.0130 0.0000 0.0000 0.0001 9.9000 0 0 0

0.0130 0.0140 0.0000 0.0000 0.0002 9.9000 0 0 0

0.0140 0.0150 0.0000 0.0000 0.0004 9.9000 0 0 0

0.0150 0.0160 0.0000 0.0000 0.0002 9.9000 0 0 0

0.0160 0.0170 0.0000 0.0000 0.0001 9.9000 0 0 0

0.0160 0.0190 0.0000 0.0000 0.0003 9.9000 0 0 0

0.0160 0.0210 0.0000 0.0000 0.0003 9.9000 0 0 0

0.0160 0.0240 0.0000 0.0000 0.0001 9.9000 0 0 0

0.0170 0.0180 0.0000 0.0000 0.0001 9.9000 0 0 0

0.0170 0.0270 0.0000 0.0000 0.0003 9.9000 0 0 0

0.0210 0.0220 0.0000 0.0000 0.0003 9.9000 0 0 0

0.0220 0.0230 0.0000 0.0000 0.0002 9.9000 0 0 0

0.0230 0.0240 0.0000 0.0000 0.0004 9.9000 0 0 0

0.0250 0.0260 0.0000 0.0000 0.0005 9.9000 0 0 0

0.0260 0.0270 0.0000 0.0000 0.0002 9.9000 0 0 0

0.0260 0.0280 0.0000 0.0000 0.0008 9.9000 0 0 0

0.0260 0.0290 0.0000 0.0001 0.0010 9.9000 0 0 0

0.0280 0.0290 0.0000 0.0000 0.0002 9.9000 0 0 0

0.0120 0.0110 0.0000 0.0000 0 9.9000 0 0 0.0010

0.0120 0.0130 0.0000 0.0000 0 9.9000 0 0 0.0010

0.0060 0.0310 0 0.0000 0 9.9000 0 0 0.0011

0.0100 0.0320 0 0.0000 0 9.9000 0 0 0.0011

0.0190 0.0330 0.0000 0.0000 0 9.9000 0 0 0.0011

0.0200 0.0340 0.0000 0.0000 0 9.9000 0 0 0.0010

0.0220 0.0350 0 0.0000 0 9.9000 0 0 0.0010

0.0230 0.0360 0.0000 0.0000 0 9.9000 0 0 0.0010

0.0250 0.0370 0.0000 0.0000 0 9.9000 0 0 0.0010

0.0020 0.0300 0 0.0000 0 9.9000 0 0 0.0010

0.0290 0.0380 0.0000 0.0000 0 9.9000 0 0 0.0010

0.0190 0.0200 0.0000 0.0000 0 9.9000 0 0 0.0011

結果他輸出的數原來是小數的都四舍五入為零了 大神們幫幫幫忙啊 急急