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k0 = 6.082e6;
kesim = -42.7616+(-1.308i);
kesid = 1;
ww = 1e-9;
syms n
pn=[];
%ÖØ¸´µ÷ÓÃsovleº¯Êý£¬»áÓеãÂý¡£
for i = 1:1:100
    i %¿´Ñ­»·µÄȦÊý
    w = ww*i;
    f = -tanh(w*k0/2*sqrt(n*n-kesid))  -kesid*sqrt(n*n-kesim)/kesim/sqrt(n*n-kesid);
    f = vpa(f);
    pn = [pn,solve(f)];
end
pn = vpa(pn',6)%%ÏÔʾ½á¹û,6λÊý×Ö
plot(1:max(size(pn)),pn);
¼ÆËãµÃµ½µÄ½á¹û£¬¾ÍÊǶÔÓ¦ÓÚ1~100nm£¬ nµÄÖµ¡££¨¶¼ÊǸ´ÊýŶ£©
ppn =

     0.180014*i + 9.45122
   - 0.081308*i - 5.90488
  - 0.0538191*i - 4.64296
  - 0.0411873*i - 3.96265
  - 0.0339041*i - 3.52568
  - 0.0291296*i - 3.21643
    0.0257322*i + 2.98365
    0.0231743*i + 2.80079
      229.545*i - 0.85346
  - 0.0195433*i - 2.52953
  - 0.0181963*i - 2.42544
  - 0.0170574*i - 2.33601
  - 0.0160788*i - 2.25821
    0.0152269*i + 2.18979
    0.0144769*i + 2.12907
  - 0.0138103*i - 2.07477
    - 121.548*i - 0.45136
    0.0126739*i + 1.98156
     54.3757*i + 0.401496
    0.0117372*i + 1.90428
  - 0.0113269*i - 1.87034
  - 0.0109486*i - 1.83902
  - 0.0105986*i - 1.81002
     43.0431*i + 0.316457
   0.00997055*i + 1.75799
   - 39.7302*i - 0.291513
     38.2403*i - 0.280406
     110.691*i + 0.273958
   - 71.2479*i - 0.263855
     0.254983 - 68.8568*i
     133.289*i - 0.247581
   0.00830834*i + 1.62072
     31.2965*i + 0.227711
      30.375*i + 0.220702
- 0.00777043*i - 1.57661
     28.6857*i + 0.207825
   0.00745278*i + 1.55066
     27.1616*i - 0.196263
  - 0.0071626*i - 1.52705
   0.00702666*i + 1.51602
   0.00689628*i + 1.50545
     24.5711*i - 0.176353
     23.9987*i - 0.171934
     23.4523*i - 0.167708
     0.163662 - 22.9302*i
     0.166962 - 202.117*i
- 0.00621305*i - 1.45044
    - 21.504*i - 0.152499
    - 63.2466*i - 0.15598
     20.6325*i - 0.145754
   - 60.7657*i - 0.149796
   - 59.5968*i - 0.146881
     253.399*i + 0.144938
     95.6546*i + 0.141968
     56.3451*i + 0.138769
     110.678*i - 0.136979
     108.736*i - 0.134567
      53.4298*i + 0.13149
     52.5159*i - 0.129227
     51.6482*i + 0.127039
      16.9099*i + 0.11616
     16.6286*i - 0.113943
     16.3712*i + 0.111808
     16.1144*i + 0.109725
     15.8582*i - 0.107689
      15.617*i - 0.105719
       15.3829*i - 0.1038
     15.1558*i - 0.101932
     14.9351*i - 0.100112
    14.7276*i + 0.0983479
    14.5192*i + 0.0966174
    14.3165*i + 0.0949289
    14.1195*i + 0.0932805
    13.9277*i + 0.0916704
     13.741*i + 0.0900972
    13.5593*i + 0.0885593
    13.3822*i + 0.0870551
    13.2036*i - 0.0855722
    13.0355*i - 0.0841315
    12.8715*i - 0.0827207
    12.7117*i - 0.0813385
     12.5557*i - 0.079984
    12.4092*i + 0.0786679
    12.2605*i + 0.0773654
    12.1153*i + 0.0760873
    11.9734*i + 0.0748328
    11.8293*i - 0.0735882
    11.6939*i - 0.0723778
     11.567*i + 0.0712012
     11.4375*i + 0.070032
    11.3108*i + 0.0688821
    11.1817*i - 0.0677375
    11.0605*i - 0.0666239
    10.9418*i - 0.0655275
  - 0.00355334*i - 1.2437
   - 0.003523*i - 1.24143
  - 0.00349321*i - 1.2392
- 0.00346396*i - 1.23702
    20.8487*i + 0.0736971
     0.0728772 - 20.635*i
ͼÒѾ­»­ºÃ£¬ÎÞÄÎÍøËÙÌ«Âý£¬´«²»ÁËͼ£¬ËùÒÔ¸øÊý¾ÝÁË¡£³ÌÐòÔËÐÐ×Ô¶¯Äܵõ½Í¼¡£
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26Â¥2013-07-15 16:46:34
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tgvictor99

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27Â¥2013-07-15 16:49:01
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tgvictor99

ľ³æ (ÖªÃû×÷¼Ò)

ÃÔºýÁìÓòÈÙÓþÁìÖ÷

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13Â¥: Originally posted by ÔÂÖ»À¶ at 2013-07-15 14:06:40
ÎÒÓõıȽϴ«Í³µÄÖ±½Ó½â·½³ÌµÄ°ì·¨£¬Ëã³ö²»Í¬w¶ÔÓ¦µÄn£¬È»ºó×÷ͼ£¬×÷ͼµÄʱºò£¬nµÄÐéÊý²¿·ÖÈ¥µô¡£
¿É¼û¿´¼ûÔÚw=0ºÍ50nm´¦ÓÐÌøÔ¾¡£³ÌÐòÈçÏ£º

function sn_20130715
clear all;clc
global  w k0 ed em
k0=6.0 ...

Õâ¸öÊÇmatlabרҵ»§Ã´£¬ÓõÄÕâôÁïÁË:tiger06::tiger06::tiger06::tiger06::tiger06::tiger06::tiger06::tiger06::tiger06::tiger06::tiger06::tiger06::tiger06::tiger06::tiger06::tiger06::tiger06::tiger06::tiger06::tiger06::tiger06::tiger06::tiger06::tiger06::tiger06::tiger06::tiger06::tiger06::tiger06::tiger06::tiger06::tiger06::tiger06::tiger06::tiger05::tiger05:
ÿ¸öÈ˵ÄÈËÉú¶¼ÊÇʱ´úµÄ²úÎÿ¸öÈ˵ÄѪͳ¡¢ÃüÔ˺ÍÃÎÏë×é³ÉÁËÏÖÔÚÕâ¸öʱ´ú¡£
28Â¥2013-07-15 16:53:19
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[¿¼ÑÐ] 286Çóµ÷¼Á +8 lim0922 2026-04-02 8/400 2026-04-03 20:19 by rzh123456
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +15 Ò»ÑùYWY 2026-04-02 15/750 2026-04-03 15:39 by Çç¿Õ210210
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