±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 677  |  »Ø¸´: 9
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

zouji1983

½ð³æ (ÕýʽдÊÖ)

[ÇóÖú] ÇóÖúÒ»¸öС³ÌÐò£¡

ÎÒÊÇfortranµÄ³õѧÕߣ¬ÏÖÔÚÓñðÈ˵ijÌÐò¡£µ«ÎÒÏÖÔÚÐèÒªÓÃnewton-raphson½âÒ»¸ö·ÇÏßÐÔ·½³Ì£¬ÀýÈ磺lnx+x^3+A=0, ÕâÀïÎÒÒª½âµÄδ֪ÊýxºÍ³£Á¿A¶¼ÊÇÒ»¸öÊý×飬ÏñxÊÇÕâÑùÒ»¸öÊý×飺(1,1,100,100), AÊÇ£¨1,100,100£©. ÎÒÖ»ÄÜ´ÓÍøÉÏÕÒµ½¹ØÓÚ½âx²»ÊÇÊý×éµÄcode,ÈçÏ£º
subroutine calculation (x,A)
        integer ::k  
        real(8) :: x,x0,A
        real(8):: tol

        f(x)=lnx+x**3+A
        df(x)=1/x+3*x**2
        tol=1e-6
        x0=0.2d0
        k=0
        10 k=k+1
        x=x0-f(x0)/df(x0)
        if(abs(x-x0).lt.tol)goto 20
            x0= x
        goto 10
        20 write(*,*) x
                  end do
                end do
                        
end subroutine calculation

µ«ÊǶÔÓÚÊý×éÀ´ËµÓ¦¸ÃÔõô¸ÄÄØ£¿ÎÒÏë°ÑÕâ¸ö×÷Ϊһ¸ösubroutine¡£·Ç³£¸Ðл¸÷λµÄ°ï×飡
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

zouji1983

½ð³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
2Â¥: Originally posted by chembetsey at 2012-12-04 23:00:54
call subroutineµÄʱºò°ÑÊý×éÔªËØÖµ´«½øÈ¥¾ÍÊÇÁË£¬call calculation (x(i,j,k),A(i,j,k))
»òÕßÏȰÑÊý×éÔªËØÖµ¸³¸øÒ»¸öÁÙʱ±äÁ¿£¬ÔÙ´«µÝ½øÈ¥

ллÄãµÄ»Ø¸´£¡
ËùÒÔÎÒ²»ÐèÒª°ÑsubroutineҲд³ÉÊý×éµÄÐÎʽ£¬¶ÔÂð£¿
3Â¥2012-12-04 23:49:32
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 10 ¸ö»Ø´ð

chembetsey

ľ³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
jjdg: ½ð±Ò+1, ¸Ðл˵Ã÷ 2012-12-05 01:49:57
call subroutineµÄʱºò°ÑÊý×éÔªËØÖµ´«½øÈ¥¾ÍÊÇÁË£¬call calculation (x(i,j,k),A(i,j,k))
»òÕßÏȰÑÊý×éÔªËØÖµ¸³¸øÒ»¸öÁÙʱ±äÁ¿£¬ÔÙ´«µÝ½øÈ¥
2Â¥2012-12-04 23:00:54
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

zouji1983

½ð³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
2Â¥: Originally posted by chembetsey at 2012-12-04 23:00:54
call subroutineµÄʱºò°ÑÊý×éÔªËØÖµ´«½øÈ¥¾ÍÊÇÁË£¬call calculation (x(i,j,k),A(i,j,k))
»òÕßÏȰÑÊý×éÔªËØÖµ¸³¸øÒ»¸öÁÙʱ±äÁ¿£¬ÔÙ´«µÝ½øÈ¥

ÎÒ°´ÕÕÄã˵µÄ×öÁË£¬±àÒë¶¼¹ýÁË£¬µ«ÊÇÔËÐеÄʱºò£¬ÏÔʾ£ºlog domian error. ²»ÖªµÀÔõô½â¾öÄØ£¿Ð»Ð»£¡
4Â¥2012-12-04 23:54:32
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

chembetsey

ľ³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
jjdg: ½ð±Ò+1, ¸Ðл½âÊÍ 2012-12-05 01:50:07
ÒýÓûØÌû:
4Â¥: Originally posted by zouji1983 at 2012-12-04 23:54:32
ÎÒ°´ÕÕÄã˵µÄ×öÁË£¬±àÒë¶¼¹ýÁË£¬µ«ÊÇÔËÐеÄʱºò£¬ÏÔʾ£ºlog domian error. ²»ÖªµÀÔõô½â¾öÄØ£¿Ð»Ð»£¡...

ÒòΪlog(x)ÖÐxµÄÖµ±ØÐë´óÓÚÁ㣬µü´úµÄʱºòxÈôСÓÚÁ㣬¾Í»á³ö´í
5Â¥2012-12-05 01:47:49
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 296²ÄÁÏר˶Çóµ÷¼Á +9 202451007219 2026-04-02 10/500 2026-04-02 11:54 by ms629
[¿¼ÑÐ] 327Çóµ÷¼Á +9 ¼³Òàê» 2026-03-29 9/450 2026-04-02 11:44 by ÔËÆøyunqi
[¿¼ÑÐ] 08¿ªÍ·¿´¹ýÀ´£¡£¡£¡ +4 wwwwffffff 2026-03-31 6/300 2026-04-02 11:42 by ¾ùÖµ»Ø¹é
[¿¼ÑÐ] Ò»Ö¾Ô¸085600ÖпÆÔºÄþ²¨Ëù276·ÖÇóµ÷¼Á +24 ²ÄÁÏѧ257Çóµ÷¼Á 2026-03-28 25/1250 2026-04-02 11:27 by -ÃÔÁË·°¡Â·
[¿¼ÑÐ] ¼ÆËã»ú265¿çµ÷»·¾³ +5 Yumeng_6 2026-03-27 5/250 2026-04-02 10:54 by guanxin1001
[¿¼ÑÐ] 348»·¾³¹¤³Ìµ÷¼Á +3 ÎâÑå׿24k 2026-04-01 3/150 2026-04-02 09:14 by nanaliuyun
[¿¼ÑÐ] Ò»Ö¾Ô¸Äϲý´óѧ324Çóµ÷¼Á +11 hanamiko 2026-04-01 11/550 2026-04-02 09:00 by sanrepian
[¿¼ÑÐ] 0710ÉúÎïѧ¿¼Ñе÷¼Á +3 Àî¶àÃ×lee. 2026-03-27 4/200 2026-04-01 16:21 by zzchen2000
[¿¼ÑÐ] Çóµ÷¼Á +4 ͼ¼ø212 2026-03-30 5/250 2026-04-01 15:32 by ͼ¼ø212
[¿¼ÑÐ] Ò»Ö¾Ô¸ÖÐÅ©0710ÉúÎïѧ£¬Î¢ÉúÎï·½Ïò×Ü·Ö338Çóµ÷¼Á +3 Æâxxxx. 2026-03-26 3/150 2026-04-01 12:30 by ±ùÎÚÁú
[¿¼ÑÐ] 318Ò»Ö¾Ô¸¼ªÁÖ´óѧÉúÎïÓëÒ½Ò© Çóµ÷¼Á +6 óÆÐÐÖÂÔ¶. 2026-03-28 6/300 2026-04-01 09:28 by oooqiao
[¿¼ÑÐ] ¿¼Ñе÷¼Á +9 СÀ¯ÐÂ±Ê 2026-03-29 10/500 2026-03-31 19:52 by Dyhoer
[¿¼ÑÐ] 346Çóµ÷¼Á Ò»Ö¾Ô¸070303Óлú»¯Ñ§ +11 Âܲ·ìÀÇà²Ë 2026-03-28 12/600 2026-03-31 17:54 by xhai2011
[¿¼ÑÐ] 282Çóµ÷¼Á ²»Ìôרҵ ÇóÊÕÁô +4 Yam. 2026-03-30 5/250 2026-03-31 14:41 by ÍõÁÁ_´óÁ¬Ò½¿Æ´ó
[¿¼ÑÐ] Ó¢Ò»ÊýÒ»×Ü·Ö334Çóµ÷¼Á +4 ³ÂÑôÀ¤ 2026-03-31 4/200 2026-03-31 14:22 by ¼Çʱ¾2026
[¿¼ÑÐ] 085601Ò»Ö¾Ô¸Î÷±±¹¤Òµ´óѧ³õÊÔ346 +4 085601³õÊÔ346 2026-03-30 4/200 2026-03-31 07:47 by jp9609
[¿¼ÑÐ] ʳƷ¹¤³Ìר˶һ־ԸÖк£Ñó309Çóµ÷¼Á +5 СÕÅzxyÕÅ 2026-03-26 10/500 2026-03-31 00:29 by jp9609
[¿¼ÑÐ] 0856µ÷¼Á +5 ÇóÇóÈÃÎÒÓÐÊé¶Á° 2026-03-26 6/300 2026-03-27 15:12 by caszguilin
[¿¼ÑÐ] 315µ÷¼Á +4 0860Çóµ÷¼Á 2026-03-26 5/250 2026-03-27 11:23 by wangjy2002
[¿¼ÑÐ] 081200-11408-276ѧ˶Çóµ÷¼Á +4 ´Þwj 2026-03-26 4/200 2026-03-27 08:04 by chemisry
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û