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hu123rong00

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[ÇóÖú] matlabÊä³ö¸ñʽ

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libralibra

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xiegangmai(½ð±Ò+1): ллӦÖú£¡ 2011-05-04 20:29:35
hu123rong00(½ð±Ò+3): 2011-05-11 16:24:38
hu123rong00(½ð±Ò+5): 2011-05-18 12:04:53
2¸öº¯Êý¶¼¿ÉÒÔ,solve»òÕßfsolve,д·¨ÂÔÓÐÇø±ð,¾ßÌåhelp¿´¿´
CODE:
>> s = solve('x+2*y=5','3*x+4*y=8','x','y');
>> s.x
ans =
-2
>> s.y
ans =
7/2

matlab/VB/python/c++/Javaд³ÌÐòÇë·¢QQÓʼþ:790404545@qq.com
2Â¥2011-05-04 16:28:06
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

hu123rong00

Í­³æ (СÓÐÃûÆø)

Èç¹û²»ÓÃsolveÄØ£¿Ö±½ÓÓþØÕó³ý·¨µÃµ½½á¹ûÄÇÒªÔõô×ö°¡
3Â¥2011-05-06 13:58:36
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

libralibra

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

æôÆï½«¾ü

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hu123rong00(½ð±Ò+2): 2011-05-11 16:24:54
ÒýÓûØÌû:
Originally posted by hu123rong00 at 2011-05-06 13:58:36:
Èç¹û²»ÓÃsolveÄØ£¿Ö±½ÓÓþØÕó³ý·¨µÃµ½½á¹ûÄÇÒªÔõô×ö°¡

2¸ö°ì·¨,matlabÖÐa\bºÍinverse(a)*bµÄËã·¨ÊÇÒ»ÑùµÄ
¿´½â¾ö°ì·¨
CODE:
>> a = [1 2;3 4]; b = [5;8]; % x+2y = 5; 3x+4y = 8
>> a\b
ans =
   -2.0000
    3.5000
>> inv(a)*b
ans =
   -2.0000
    3.5000

matlab/VB/python/c++/Javaд³ÌÐòÇë·¢QQÓʼþ:790404545@qq.com
4Â¥2011-05-06 16:44:14
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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