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xiashaoyan

гæ (ÕýʽдÊÖ)

[ÇóÖú] ÔõôÀûÓÃmatlabÖÐsyms¶¨ÒåÒ»¸öÑ­»·ÖеıäÁ¿ÄØ£¿ ÒÑÓÐ1È˲ÎÓë

ÏÖÔÚÓöµ½Ò»¸öMATLAB·ûºÅ¼ÆËãÎÊÌâ¡£ÏÖÔÚÏëÀûÓÃMATLAB½øÐзûºÅ¼ÆË㣬ËùÒÔ֮ǰÐèÒªÓÃsyms¸ø±äÁ¿½øÐж¨Ò壬ÎÒÖªµÀ¶¨Ò弸¸öºÍ¶à¸ö±äÁ¿Ö±½Ósyms t,Pr£¬µ«ÊÇÕâÀïÎÒÏ붨ÒåһϵÁеÄgamma(»¹ÓÐR1£¬R2)£¬ÒòΪÔÚÏÂÃæµÄ³ÌÐòÖУ¬gamma(n)ÊÇÑ­»·µÄ£¬ËùÒÔÔõô¶¨ÒåËüÄØ£¿ÎÒÊÔ¹ý
for m=1:10
    sym gamma(m) ;
end
µ«ÊÇMATLAB±¨´íÁË£¬ÇóÖú¼ÆËã¸ßÊÖ£¬Ôõô¶¨ÒåÕâ¸öËæ×ÅÑ­»·µÄ±äÁ¿ÄØ£¿£¡£¡(ÎÒÖ»ÏëÓÃMATLAB½øÐзûºÅ¼ÆË㣬²»ÏëÓÃmaple¼ÆËã)



for m=0:10
    R1(m) = diff(f(m),t,3);
    R2(m) = 1/Pr*diff(theta(m-1),t,2);
    for n=0:m-1
        sum_gamma_d2f = sum_gamma_d2f + gamma(n)*diff(f(m-1-n),t,2);
        sum_gamma_d1f = sum_gamma_d1f + gamma(n)*diff(f(m-1-n),t,1);
        R1(m) = R1(m) - S/2*t*sum_gamma_d2f-(S+Ma)*sum_gamma_d1f;
   end
end
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feixiaolin

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

ÓÅÐã°æÖ÷

2Â¥2015-04-22 16:58:19
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wurongjun

ר¼Ò¹ËÎÊ (Ö°Òµ×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

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xiashaoyan: ½ð±Ò+10, ¡ïÓаïÖú 2015-05-02 11:33:34
sym gamma(m) ;
ÊÇÒ»Ìõ´íÎóÃüÁî!
ÄãÖ»Ðè°ÑÓõ½µÄ±äÁ¿¶¨ÒåһϾÍÐÐÁË!
±ÈÈç:
>> syms m
>> gamma(1)=m
gamma =
m
>> gamma(2)=m^2
gamma =
[   m, m^2]
²»¹ýMatlabµÄ³¤´¦ÊÇÊýÖµ¼ÆËã!
°´ÄãµÄд·¨³ÌÐòÔËÐпÉÄܽÏΪ·Ñʱ!
ÉÆ¶ñµ½Í·ÖÕÓб¨,È˼äÕýµÀÊDz×É£.
3Â¥2015-04-25 08:30:22
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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