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hank612

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https://dlmf.nist.gov/25.11
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We_must_know. We_will_know.
2Â¥2016-06-16 06:15:50
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¹þ¹þЦÄà

½ð³æ (ÖøÃûдÊÖ)

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3Â¥2016-06-16 13:29:07
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bluesine

Ìú¸Ëľ³æ (Ö°Òµ×÷¼Ò)

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4Â¥2016-06-16 14:52:27
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fungarwai

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CODE:
clc;clear;
format rat;
for m=1:3
        p(m)=(-1)^(m-1)*2^(2*m)/(2*m+1);s=0;
        for n=0:2*m+1
                for k=0:n
                        s=s+(-1)^k*nchoosek(n,k)*(k+1/4)^(2*m+1)/(n+1);
        end
    end
    p(m)=s*p(m);
end
p

p =

       1/16           5/64          61/256   



5Â¥2016-06-16 17:51:12
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

fungarwai

гæ (СÓÐÃûÆø)

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
Edstrayer: ½ð±Ò+5 2016-06-17 02:40:13
https://muchong.com/bbs/viewthread.php?tid=10270516&page=1

10Â¥µÄ

CODE:
clc;clear;
format rat;
for m=1:3
        p(m)=i*(-1)^m/4^(m+1);s=0;
        for k=1:2*m+1
                for j=0:k
                        s=s+(-1)^j*nchoosek(k,j)*(k-2*j)^(2*m+1)/(2^k*i^k*k);
        end
    end
    p(m)=s*p(m);
end
p

p =

       1/16           5/64          61/256

·ûºÅûÓÐÎÊÌâ

» ±¾ÌûÒÑ»ñµÃµÄºì»¨£¨×îÐÂ10¶ä£©

6Â¥2016-06-16 18:27:11
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

hank612

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
Ëͺ컨һ¶ä
ÒýÓûØÌû:
6Â¥: Originally posted by fungarwai at 2016-06-16 18:27:11
https://muchong.com/bbs/viewthread.php?tid=10270516&page=1

10Â¥µÄ

\sum_{n=0}^\infty \frac{(-1)^n}{(2n+1)^{2m+1}}=\frac{(-1)^m E_{2m}\pi^{2m+1}}{4^{m+1}(2m)!}


clc;clear;
format rat;
fo ...

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7Â¥2016-06-16 21:42:22
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