24СʱÈÈÃŰæ¿éÅÅÐаñ    

²é¿´: 1245  |  »Ø¸´: 3
¡¾ÐüÉͽð±Ò¡¿»Ø´ð±¾ÌûÎÊÌ⣬×÷Õß×ÞÅô³Ì½«ÔùËÍÄú 5 ¸ö½ð±Ò

×ÞÅô³Ì

гæ (СÓÐÃûÆø)

[ÇóÖú] matlabÔËÐÐÅ£¶Ùµü´ú×ÜÌáʾÊäÈë²ÎÊý²»×ãÔõô»ØÊ°¡ ÒÑÓÐ1È˲ÎÓë

matlabÔËÐÐÅ£¶Ùµü´ú×ÜÌáʾÊäÈë²ÎÊý²»×ãÔõô»ØÊ°¡£¬ÏÂÃæÊdzÌÐò£¬
µü´ú³ÌÐò
function x=newton(fnew,dfnew,x0,delta,maxx)
for k=1:maxx
    x1=x0-fnew(x0)/dfnew(x0);
    err= x1-x0;
    if err<delta;
        break
    end
end
º¯Êý£º
function y=fnew(x)
y=x^2-0.388*x-0.026-10^6*x^3/(8314*473.15)
end
µ¼º¯Êý£º
function dy=dfnew(x)
dy=2*x-0.388-3*10^6*x^2/(8314*473.15)
end

matlabÔËÐÐÅ£¶Ùµü´ú×ÜÌáʾÊäÈë²ÎÊý²»×ãÔõô»ØÊ°¡
1592890520(1).png
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

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

eleven_xia

ÖÁ×ðľ³æ (Ö°Òµ×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
fnewºÍdfnew×÷Ϊ²ÎÊý´«µÝÐèÒªÏÈ@Ò»Ïµģ¬¿ÉÒÔÕâÑùµ÷Óãº
f1=@fnew;
f2=@dfnew;
newton(f1,f2,x0,delta,maxx);
ÈËÉúÖ»ÓÐÒ»Öֳɹ¦£¬¾ÍÊǰ´ÕÕ×Ô¼ºµÄÒâÔ¸»îÏÂÈ¥¡£
2Â¥2020-06-23 18:42:38
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

×ÞÅô³Ì

гæ (СÓÐÃûÆø)

3Â¥2020-06-23 21:02:29
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Æï¿ʮ°ËÔØ

гæ (Ö°Òµ×÷¼Ò)

ÌáÐÑһϣ¬³ÌÐòȱÉÙÁ˸üв½

·¢×ÔСľ³æAndroid¿Í»§¶Ë
4Â¥2020-06-23 21:54:58
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ ×ÞÅô³Ì µÄÖ÷Ìâ¸üÐÂ
²»Ó¦Öú È·¶¨»ØÌûÓ¦Öú (×¢Ò⣺ӦÖú²Å¿ÉÄܱ»½±Àø£¬µ«²»ÔÊÐí¹àË®£¬±ØÐëÌîд15¸ö×Ö·ûÒÔÉÏ)
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] µ÷¼Á²ÄÁÏѧ˶ +3 ´ÊÄýY 2026-03-02 3/150 2026-03-02 21:51 by ÑîÑîÑî×Ï
[¿¼ÑÐ] 285Çóµ÷¼Á +9 ÂúÍ·´óº¹µÄѧÉú 2026-02-28 9/450 2026-03-02 20:29 by hypershenger
[¿¼ÑÐ] ²ÄÁϸ´ÊÔµ÷¼Á +5 ѧ²ÄÁϵĵã 2026-03-01 6/300 2026-03-02 20:01 by hypershenger
[¿¼ÑÐ] 302²ÄÁϹ¤³ÌÇóµ÷¼Á +5 Doleres 2026-03-01 6/300 2026-03-02 19:53 by ÕÅÏþ·¼0105
[¿¼ÑÐ] ²ÄÁÏ085601µ÷¼Á +5 ¶à¶à×Ó. 2026-03-02 5/250 2026-03-02 19:15 by zhukairuo
[¿¼ÑÐ] »¯¹¤¾©Çø271Çóµ÷¼Á +6 11ing 2026-03-02 6/300 2026-03-02 18:52 by caszguilin
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +3 ºã˳×ÔÈ» 2026-03-02 3/150 2026-03-02 18:49 by L135790
[¿¼ÑÐ] һ־Ըɽ¶«´óѧ²ÄÁÏÓ뻯¹¤325Çóµ÷¼Á +5 °ë½ØµÄÊ«0927 2026-03-02 5/250 2026-03-02 18:37 by Ã÷ÁÁ9527
[¿¼ÑÐ] »¯¹¤×¨Ë¶348£¬Ò»Ö¾Ô¸985Çóµ÷¼Á +6 ¸¥¸ñ¸ö 2026-02-28 9/450 2026-03-02 14:09 by liyongv
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤328Çóµ÷¼Á +3 ¡££¬¡££¬¡££¬¡£i 2026-03-02 3/150 2026-03-02 13:09 by houyaoxu
[¿¼ÑÐ] 291 Çóµ÷¼Á +3 »¯¹¤2026½ì±ÏÒµÉ 2026-03-02 3/150 2026-03-02 12:55 by houyaoxu
[¿¼ÑÐ] 0854¸´ÊÔµ÷¼Á 276 +4 wmm9 2026-03-01 6/300 2026-03-02 09:28 by ÈÈÇéɳĮ
[¿¼ÑÐ] ²ÄÁÏѧµ÷¼Á +10 ÌáÉñ¶¹É³°ü 2026-02-28 12/600 2026-03-02 09:26 by ÀîÀÏʦ£¡
[¿¼ÑÐ] ²ÄÁÏÀàÇóµ÷¼Á +11 wana_kiko 2026-02-28 14/700 2026-03-02 08:46 by ´ÏÃ÷µÄ´óËÉÊó
[¿¼ÑÐ] 291·Ö¹¤¿ÆÇóµ÷¼Á +9 science¶ö¶ö 2026-03-01 10/500 2026-03-01 18:55 by 18137688336
[¿¼ÑÐ] 290Çóµ÷¼Á +9 ²ÄÁÏר˶µ÷¼Á£» 2026-02-28 11/550 2026-03-01 17:21 by sunny81
[»ù½ðÉêÇë] ¸Õ¼Óã¬Ã»ÓÐÆÚ¿¯ºÅ£¬µ«ÊÇÔÚÏ߿ɿ´µÄÂÛÎÄ¿ÉÒÔ·ÅΪ´ú±í×÷Âð 10+3 arang1 2026-03-01 3/150 2026-03-01 16:43 by babero
[¿¼ÑÐ] ѰÕÒµ÷¼Á +4 LYidhsjabdj 2026-02-28 4/200 2026-03-01 10:56 by sunny81
[¿¼ÑÐ] 304Çóµ÷¼Á +3 52hz~~ 2026-02-28 5/250 2026-03-01 00:00 by 52hz~~
[˶²©¼ÒÔ°] ¡¾²©Ê¿ÕÐÉú¡¿Ì«Ô­Àí¹¤´óѧ2026»¯¹¤²©Ê¿ +4 N1ce_try 2026-02-24 8/400 2026-02-26 08:40 by N1ce_try
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û