±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 369  |  »Ø¸´: 1

jobs668

Ìú³æ (СÓÐÃûÆø)

[ÇóÖú] ¡¾ÒÑÍê½á¡¿ÇóÒ»¸ö´ølogµÄÒþº¯Êý³ö´í Çó½â

clear
clc
%hg/R=0.05

c1=-2.74;
c2=26.723;
c3=35.29;
c4=-165.404;
Er=7.056e10;
pg1=0.0088063;
hg1=250e-9;

f= @(s1)s1*hg1.^2*(c1*(log(Er/s1)).^3+c2*(log(Er/s1)).^2+c3*(log(Er/s1))+c4)-pg1;

fsolve(f,5)

[ Last edited by 1592203609 on 2013-11-30 at 12:21 ]
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

jobs668

Ìú³æ (СÓÐÃûÆø)

·Ç³£¸Ðл µ«ÊÇ»¹ÊÇ×Ô¼º½â¾öÁË
ÐèÒªÉ趨optionsº¯ÊýµÄµü´ú´ÎÊýµÈ
µ«ÊÇfsolve¶Ô³õʼֵҪÇóºÜ´ó¡£½â·½³ÌÊǼþÍ·ÌÛµÄÊÂÇé ²Á
options=optimset('display','iter','MaxFunEvals',10000000000,'TolFun',10e-22,'TolX',10e-100);
2Â¥2013-11-29 22:51:56
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ jobs668 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 282Çóµ÷¼Á +20 ycy1201 2026-04-01 22/1100 2026-04-04 00:42 by userper
[¿¼ÑÐ] 11408 359·Ö Çóµ÷¼Á +4 yfever 2026-03-28 4/200 2026-04-03 16:43 by asdfzly
[¿¼ÑÐ] 085501Ò»Ö¾Ô¸Ì칤´ó£¬»úеר˶Çóµ÷¼Á£¬¿ç²ÄÁÏ +3 33ÉÏ 2026-04-03 3/150 2026-04-03 14:08 by 1753564080
[¿¼ÑÐ] Ò»Ö¾Ô¸±±¾©½»Í¨´óѧ²ÄÁϹ¤³Ì×Ü·Ö358 +4 cs0106 2026-04-03 4/200 2026-04-03 13:41 by °ÙÁéͯ888
[¿¼ÑÐ] 085801 ×Ü·Ö275 ±¾¿ÆÐÂÄÜÔ´ Çóµ÷¼Á +19 bradoner 2026-04-01 23/1150 2026-04-03 10:07 by linyelide
[¿¼ÑÐ] 342Çóµ÷¼Á +16 Mary Keen 2026-03-28 17/850 2026-04-02 21:14 by 690616278
[¿¼ÑÐ] 285Çóµ÷¼Á +14 AZMK 2026-04-02 14/700 2026-04-02 15:54 by ÉϾÅÌìÀ¿Ô£¨ºÃÔ
[¿¼ÑÐ] 290Çóµ÷¼Á085701 +3 1314Åõ»¨ 2026-04-02 3/150 2026-04-02 13:34 by Ecowxq666£¡
[¿¼ÑÐ] 298ÇóBÇøµ÷¼Á +4 zzz£¬£¬r 2026-04-02 5/250 2026-04-02 12:17 by ÍÁľ˶ʿÕÐÉú
[¿¼ÑÐ] 272Çóµ÷¼Á£¬½ÓÊÜ¿çרҵµ÷¼Á£¡ +4 ÏÐÓ㬠2026-03-31 4/200 2026-04-02 11:18 by guyan1000
[¿¼ÑÐ] ²ÄÁÏ¿ÆÑ§Ó빤³Ìµ÷¼Á +18 ÉîVËÞÉá°É 2026-03-30 19/950 2026-04-02 10:28 by sanrepian
[¿¼ÑÐ] Ò»Ö¾Ô¸346ÉϺ£´óѧÉúÎïѧ +3 ÉϺ£´óѧ346µ÷¼Á 2026-04-01 3/150 2026-04-02 08:36 by w³æ³æ123
[¿¼ÑÐ] ÉúÎïѧ327£¬Çóµ÷¼Á +5 ÊéÉϵÄ÷×Ó 2026-04-01 6/300 2026-04-02 06:47 by ilovexiaobin
[¿¼ÑÐ] 279Çóµ÷¼Á +7 Īxiao 2026-04-01 7/350 2026-04-01 22:05 by ¿Í¶ûÃÀµÂ
[¿¼ÑÐ] 290Çóµ÷¼Á +5 dfffsar 2026-03-29 5/250 2026-04-01 19:45 by 6781022
[¿¼ÑÐ] 303·Ö 0807ѧ˶Çóµ÷¼Á +3 TYC3632 2026-04-01 3/150 2026-04-01 19:24 by lwk2004
[¿¼ÑÐ] 285Çóµ÷¼Á +7 AZMK 2026-03-30 13/650 2026-04-01 17:00 by Æß¶È²»ÐÅÈÎ
[¿¼ÑÐ] 358Çóµ÷¼Á +3 ÍõÏòÑô»¨ 2026-03-31 3/150 2026-04-01 09:56 by zzchen2000
[¿¼ÑÐ] Çóµ÷¼Á£¬Ò»Ö¾Ô¸±±ÁÖʳƷÓëÓªÑø095500£¬301·Ö£¬ÒѹýÁù¼¶£¬ÓпÆÑо­Àú +4 ¿ìÀÖ´¢Ðî¹Þ 2026-03-31 4/200 2026-04-01 09:26 by JourneyLucky
[¿¼ÑÐ] ÍÁľ304Çóµ÷¼Á +5 ¶¥¼¶²Á²Á 2026-03-31 5/250 2026-04-01 08:15 by fdcxdystjk£¤
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û