2 Mozilla/5.0 (Windows NT 6.1; WOW64; rv:39.0) Gecko/20100101 Firefox/39.0 /rde/contents/library/ps2img/cgi-bin/eqn2gif.cgi 157.118.205.34 1438247302 2015/07/30 18:08:22 \begin{array}{r l} \displaystyle f(2m-1) =&\displaystyle\sum^{2m-1}_{k=0}{}_{2m-1}C_k\left(\frac{a}{c}\right)^{2m-1-k}\left(i\frac{b}{c}\right)^{k}\\ \displaystyle {\rm Re}(f(2m-1)) =&\displaystyle\sum^{m-1}_{k=0}{}_{2m-1}C_{2k}\left(\frac{a}{c}\right)^{2m-1-2k}\left(i\frac{b}{c}\right)^{2k}\\ =&\displaystyle\sum^{m-1}_{k=0}{}_{2m-1}C_{2k}\left(\frac{a}{c}\right)^{2m-1-2k}\left(\frac{b}{c}\right)^{2k}(-1)^k\\ \end{array} 4 <IMG SRC="../cgi-cache/20150730_180807.gif"> 変換 正常に処理されました 20150730_180807 Thu Jul 30 18:08:22 2015