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kkx1986

½ð³æ (ÕýʽдÊÖ)

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for n=1:10
    Sn+1=Sn+f
end
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Sn+1=S2£¬Sn=S1.
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[ Last edited by kkx1986 on 2011-10-20 at 20:27 ]
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ÐűËÄÏɽ

ľ³æ (ÖøÃûдÊÖ)

ÄãÕâÎÊÌâÎʵģ¬ÕæÃÔºý°¡
2Â¥2011-10-20 21:13:17
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

kkx1986

½ð³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
2Â¥: Originally posted by ÐűËÄÏɽ at 2011-10-20 21:13:17:
ÄãÕâÎÊÌâÎʵģ¬ÕæÃÔºý°¡

ÄÇÓ¦¸ÃÔõôÎÊ£¿
ǧͷÍòÐ÷¾»ÐĵÚÒ»²»¾»ÐÄÈ«ÊÇ·Ï»°£¬¶þÁùʱÖо«½øÎªÏȲ»¾«½øÒ»ÊÂÎ޳ɡ£
3Â¥2011-10-20 21:47:19
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xiegangmai

°æÖ÷ (Ö°Òµ×÷¼Ò)

ÎÒûͷÏÎ

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¡ï ¡ï
³ôË®¹µ(½ð±Ò+1): лл½»Á÷~~ 2011-10-21 11:25:29
³ôË®¹µ(½ð±Ò+1): лл½»Á÷~~ 2011-10-21 11:25:31
ÒýÓûØÌû:
1Â¥: Originally posted by kkx1986 at 2011-10-20 20:26:04:
Èç¹ûÔÚmatlabµÄforÑ­»·ÖУ¬¼´³öÏÖi+1£¬ÓÖ³öÏÖi,ÇëÎÊÓ¦¸ÃÔõô´¦Àí£¬±ÈÈç
for n=1:10
    Sn+1=Sn+f
end
Sn+1¡¢Sn¶¼²»ÄÜд³ÉS£¨n+1£©¡¢S£¨n£©µÄÐÎʽ¡£
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Èç¹ûn=1µÄʱºò
Sn+1=S ...

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4Â¥2011-10-20 22:03:16
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

nuonuoma

Òø³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

kkx1986(½ð±Ò+1): »Ø´ðµÃÌ«ÃÔºý£¬ÎÒÖªµÀÊéÉ϶¼ÓУ¬Ð»Ð»¡£ 2011-10-21 08:26:50
ÎʵÃÃÔºý£¬Äã¿ÉÒÔÕÒÒ»±¾matabµÄÊé¼®¿´Ò»Ï£¬ºÜÈÝÒ×ÉÏÊÖ¡£
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5Â¥2011-10-20 22:07:43
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

kkx1986

½ð³æ (ÕýʽдÊÖ)

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S£¨n+1£©=S£¨n£©+f
µ«ÊÇÎÒÕâÀïµÄSn+1±íʾµÄÒ»¸ö±äÁ¿£¬SºÍn+1²»ÄÜ·Ö¿ªµÄ¡£
ǧͷÍòÐ÷¾»ÐĵÚÒ»²»¾»ÐÄÈ«ÊÇ·Ï»°£¬¶þÁùʱÖо«½øÎªÏȲ»¾«½øÒ»ÊÂÎ޳ɡ£
6Â¥2011-10-21 08:30:57
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dbb627

ÈÙÓþ°æÖ÷ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
kkx1986(½ð±Ò+40): Ê®·Ö¸Ðл£¡ÇëÎʸø±¾Ïà¹ØµÄ²Î¿¼ÊéÂ𣿠2011-10-21 10:32:52
³ôË®¹µ(½ð±Ò+1): лл½»Á÷~~ 2011-10-21 11:26:12
ÕâÀïÆäʵÊǹØÓÚSµÄÎÊÌ⣬ÄãµÄÒâ˼ÊÇS´æ´¢µÄ¶«Î÷²»ÄÜÓÃn+1µÝÍÆ£¬ÊÇÂð
ÕâÀï¿ÉÒÔ°ÑS¶¨ÒåΪԪ°ûÊý×é»òÕß¾ØÕó£¬ËüʲôÀàÐ͵ıäÁ¿¶¼ÄÜ´æ´¢£¬¾ÍûÎÊÌâÁË
The more you learn, the more you know, the more you know, and the more you forget. The more you forget, the less you know. So why bother to learn.
7Â¥2011-10-21 08:47:58
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dbb627

ÈÙÓþ°æÖ÷ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï
kkx1986(½ð±Ò+9): Ê®·Ö¸Ðл£¡ 2011-10-21 10:32:17
³ôË®¹µ(½ð±Ò+2): ллÈÈÐÄ~~ 2011-10-21 11:26:20
¾Ù¸öÀý×Ó
CODE:
>> X=rand(20,4);n=4;
>> h=plot(X);
s=cell(n,1);
for i=1:n
    s{i,1}=['Group',num2str(i)];
end
legend(h,s)

ÕâÀïs´æ´¢µÄÊÇ Ïߵıêʶ
Èç¹ûSn+1±íʾµÄÒ»¸ö±äÁ¿
ÏÂÃæµÄ·½·¨Äã¿ÉÒÔ½è¼øÏÂ
CODE:
n=5;
for i=1:n
eval(['A',num2str(i),'=',num2str(n^2),';']);
end

>> A1

A1 =

    25

>> A2

A2 =

    25
The more you learn, the more you know, the more you know, and the more you forget. The more you forget, the less you know. So why bother to learn.
8Â¥2011-10-21 09:05:00
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

hhucy

ʵϰ°æÖ÷ (ÖøÃûдÊÖ)

DOE¹øÂ¯¹¤

ÒýÓûØÌû:
8Â¥: Originally posted by dbb627 at 2011-10-21 09:05:00:
¾Ù¸öÀý×Ó
CODE:
>> X=rand(20,4);n=4;
>> h=plot(X);
s=cell(n,1);
for i=1:n
    s{i,1}=['Group',num2str(i)];
end
legend(h,s)

ÕâÀïs´æ´¢µÄÊÇ Ïߵıêʶ
Èç¹ûSn+1±íʾµÄÒ»¸ö±äÁ¿
...

ÏëÎÊÏ Èç¹ûmatlabÇó½â΢·Ö·½³Ì ±ß½çÌõ¼þÊÇÎÞÇî´ó´¦ÎªÒ»³£Êý ¿ÉÒÔʵÏÖô
ÈËÉúÄÇô¶à²»È·¶¨£¬ÄãÅÂʲô
9Â¥2011-10-21 19:50:42
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dbb627

ÈÙÓþ°æÖ÷ (ÖøÃûдÊÖ)

¡ï ¡ï
³ôË®¹µ(½ð±Ò+2): лл½»Á÷~~ 2011-10-22 09:18:44
·ûºÅ½â
dsolve('D2y-y+exp(-x)=0','y(0)=0','y(inf)=2')

ans =

1/exp(x) + (exp(inf)/exp(x) - 1/exp(x) + 2)/(exp(t)*(1/exp(inf) - exp(inf))) - (exp(t)*(1/(exp(inf)*exp(x)) - 1/exp(x) + 2))/(1/exp(inf) - exp(inf))

µ«ÊÇÄã»á×¢Òâµ½£¬ÀïÃæÓÐexp(inf)ÏÔÈ»ÕâÊDz»ºÏÀíµÄ£¬»»¾ä»°Ëµinf±ØÐëÊÇÒ»¸ö¾ßÌåÖµ

ÊýÖµ½âÒ²Ö»ÄÜÓøöºÜ´óÊýÌæ»»
The more you learn, the more you know, the more you know, and the more you forget. The more you forget, the less you know. So why bother to learn.
10Â¥2011-10-21 20:56:17
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ kkx1986 µÄÖ÷Ìâ¸üÐÂ
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