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[ÇóÖú] ÎÒÏëÇëÎÊÒ»¸ömatlab±à³ÌµÄÎÊÌ⣬sin£¨v/2£©=3*v/14/pi

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zhaoyanqiao

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ÒýÓûØÌû:
8Â¥: Originally posted by luomia at 2012-07-07 11:09:53
ÄãÕâ¸öÎÊÌâÓÉÓÚÉæ¼°µ½PI£¬ÐèÒªÖ¸¶¨¼ÆË㾫¶È¡£Ó󣹿µü´ú·¨ºÜÄÑÊÕÁ²£¬ÒÔϳÌÐòÏ£ÍûÄÜÓÐËù°ïÖú¡£
>> for v=5:0.00000001:6;
f=14*pi*sin(v/2)/3;
if abs(f-v)<=0.000001
break;
end
end
>> vp ...

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10Â¥2012-07-07 13:45:32
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s=solve('sin£¨v/2)-3*v/14/pi=0 ')      ÊÔÒ»ÏÂ
2Â¥2012-07-06 14:13:07
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

luomia

ľ³æ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

>> s=solve('sin(v/2)=3*v/14/pi');
>> s

s =

0
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3Â¥2012-07-06 15:02:39
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

zhaoyanqiao

Ìú³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
2Â¥: Originally posted by ²»ÊDz»Ïë at 2012-07-06 14:13:07
s=solve('sin£¨v/2)-3*v/14/pi=0 ')      ÊÔÒ»ÏÂ

>> s=solve('sin(v/2)-3*v/14/pi=0 ')

s =

14/3*sin(0)*pi

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