±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 1161  |  »Ø¸´: 5
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

ÁÁÁÁ1283

гæ (СÓÐÃûÆø)

[½»Á÷] ¡¾ÇóÖú¡¿ÈçºÎÔÚËù»­³öµÄͼÉϱêʾ³öÈ·¶¨µÄ×ø±êϵ£¡

ÎÒÒѾ­»­³öÀ´ÏëÒªµÄͼÁË£¡µ«ÊÇÏëÀûÓÃÆ½ÐÐÓÚX£¬YÖáµÄÐéÏß°Ñijһ¸ö¼È¶¨µÄ×ø±ê¸ø±ê³öÀ´£¬²¢ÔÚ×ø±êÖáÉÏÏÔʾ³ö×ø±ê
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

wanggc2939

½ð³æ (ÖøÃûдÊÖ)

ÄãÓõÄʲô×÷ͼ    mathematica   »¹ÊÇmatlab   ²»Ò»ÑùµÄ
6Â¥2010-11-08 07:29:14
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 6 ¸ö»Ø´ð

luwei_6

Í­³æ (СÓÐÃûÆø)

ÔÙ»­Ò»¸ö×ݺáµÄÐéÏßͼ£¬È»ºóÔÙÌí¼ÓÒ»¸ö±ê×¢°É
2Â¥2010-09-16 18:30:15
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÁÁÁÁ1283

гæ (СÓÐÃûÆø)

ÒýÓûØÌû:
Originally posted by mxk at 2010-09-16 18:43:41:
ÓõÄʲôÈí¼þ°¡

ÀûÓõÄÊÇMathematica£¬ Ï뽫Ëù»­³öµÄÇúÏßÉϵÄijһµãMµÄ×ø±ê¸ø±ê×¢µ½×ø±êϵÉÏ£¬Ò²¾ÍÊÇ˵Ҫ¹ýMµã£¬Ïòx,yÖá×÷´¹Ïߣ¬Ö»ÊÇÒªÇó´¹ÏßÊÇÐéÏߣ¬´¹×ãÔÚ×ø±êÖáÉÏ£¬½«´¹×ãλÖÃÔÚ×ø±êÖáÉÏÏÔʾ³öÀ´£¡
²»ÖªµÀÎÒ˵Çå³þÁËûÓУ¡Ð»Ð»
4Â¥2010-09-16 20:29:44
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

gsview

ľ³æ (СÓÐÃûÆø)

¡ï ¡ï
ÓàÔó³É(½ð±Ò+2):лл²ÎÓëÓ¦Öú£¡ 2010-11-08 09:31:25
²»ÖªµÀÕâÑù¿ÉÒÔ²»£¿




f=x^2-2;
x0=1;y0=f/.{x->x0};
Show[{
(*PlotFunction*)
Plot[f,{x,-2,2},Axes->True,Frame->True,DisplayFunction->Identity],
(*Add the line and the text*)
Graphics[{{Dashing[{0.03,0.01}],Line[{{x0,0},{x0,y0}}],
                                Line[{{0,y0},{x0,y0}}]},
          Text[x0,{x0,0.2}],Text[y0,{-0.2,y0}]}
        ]
    },DisplayFunction->$DisplayFunction
   ]
5Â¥2010-11-03 13:47:09
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ÄϾ©´óѧ»¯Ñ§µ÷¼Á +9 ¾°Ëæ·ç 2026-03-29 14/700 2026-03-29 21:22 by chixmc
[¿¼ÑÐ] 300Çóµ÷¼Á£¬²ÄÁÏ¿ÆÑ§Ó¢Ò»Êý¶þ +10 leaflight 2026-03-24 10/500 2026-03-29 20:58 by goldfish51
[¿¼ÑÐ] ¡¾Çóµ÷¼Á¡¿085601²ÄÁϹ¤³Ìר˶ | ×Ü·Ö272 | +7 ½Å»¬µÄÊØ·¨¹«Ãñ 2026-03-27 7/350 2026-03-29 20:21 by dophin1985
[¿¼ÑÐ] 343Çóµ÷¼Á085601 +3 ҪŬÁ¦Ñ§Ï°x 2026-03-29 3/150 2026-03-29 18:35 by wxiongid
[¿¼ÑÐ] 289Çóµ÷¼Á +5 BrightLL 2026-03-29 5/250 2026-03-29 17:24 by zhyzzh
[¿¼ÑÐ] 329Çóµ÷¼Á +10 Å¥¶÷Ñ© 2026-03-25 10/500 2026-03-29 13:32 by peike
[¿¼ÑÐ] 0703»¯Ñ§µ÷¼Á£¬Çóµ¼Ê¦ÊÕ +9 ÌìÌìºÃÔËÀ´Éϰ¶° 2026-03-24 10/500 2026-03-28 22:17 by chemzp
[¿¼ÑÐ] 083000ѧ˶274Çóµ÷¼Á +8 LiÀîÓã 2026-03-26 8/400 2026-03-28 20:33 by ¼ÓÓÍÏòδÀ´°¡
[¿¼ÑÐ] µ÷¼Á +3 ºÃºÃ¶ÁÊé¡£ 2026-03-28 3/150 2026-03-28 12:04 by Íõ±£½Ü33
[¿¼ÑÐ] ²ÄÁÏÇóµ÷¼ÁÒ»Ö¾Ô¸¹þ¹¤´ó324 +7 ãÆÐñ¶« 2026-03-28 9/450 2026-03-28 08:51 by Xu de nuo
[²ÄÁϹ¤³Ì] Ò»Ö¾Ô¸C9²ÄÁÏÓ뻯¹¤×¨Òµ×Ü·Ö300Çóµ÷¼Á +8 Âü111 2026-03-24 9/450 2026-03-28 07:58 by YYYYX1234
[¿¼ÑÐ] 315·ÖÇóµ÷¼Á +7 26¿¼ÑÐÉϰ¶°æ26 2026-03-26 7/350 2026-03-28 04:05 by fmesaito
[¿¼ÑÐ] 085701»·¾³¹¤³ÌÇóµ÷¼Á +9 ¶à¾ÃÉϿΠ2026-03-27 9/450 2026-03-28 03:58 by fmesaito
[¿¼ÑÐ] 265Çóµ÷¼Á11408 +3 ÁõС¹lu 2026-03-27 3/150 2026-03-27 20:53 by nihaoar
[¿¼ÑÐ] Ò»Ö¾Ô¸ÉÂʦ´óÉúÎïѧ071000£¬298·Ö£¬Çóµ÷¼Á +5 SYA£¡ 2026-03-23 5/250 2026-03-27 09:29 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] 081200-11408-276ѧ˶Çóµ÷¼Á +4 ´Þwj 2026-03-26 4/200 2026-03-27 08:04 by chemisry
[¿¼ÑÐ] Ò»Ö¾Ô¸ºÓ¹¤´ó 081700 276Çóµ÷¼Á +4 µØÇòÈÆ×ÅÌ«Ñôת 2026-03-23 4/200 2026-03-26 14:27 by zzll406
[¿¼ÑÐ] 07»¯Ñ§303Çóµ÷¼Á +5 î£08 2026-03-25 5/250 2026-03-25 22:46 by 418490947
[¿¼ÑÐ] 300·Ö£¬²ÄÁÏ£¬Çóµ÷¼Á£¬Ó¢Ò»Êý¶þ +5 ³¬ÔÞµÄ 2026-03-24 5/250 2026-03-24 21:07 by ÐÇ¿ÕÐÇÔÂ
[¿¼ÑÐ] Ò»Ö¾Ô¸¼ª´ó»¯Ñ§322Çóµ÷¼Á +4 17501029541 2026-03-23 6/300 2026-03-24 10:21 by ´÷Χ²±µÄСÎÃ×Ó
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û