3 Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36 /rde/contents/library/ps2img/cgi-bin/eqn2gif.cgi 157.118.205.34 1446542531 2015/11/03 18:22:11 f_1&=&f_2\nonumber\\ &=&\frac{q^{2}}{4 \pi \varepsilon_{0}(2a)^{2}}\nonumber\\[5mm] f_3&=&2\cdot\frac{\sqrt{2}}{2}\cdot\frac{q^{2}}{4 \pi \varepsilon_{0}(2a)^{2}}\nonumber\\ &=&\frac{\sqrt{2}\;q^2}{16 \pi \varepsilon_{0}a^{2}}\nonumber\\[5mm] f_4&=&\frac{q^{2}}{4 \pi \varepsilon_{0}(2\sqrt{2}a)^{2}}=\frac{q^2}{32 \pi \varepsilon_{0}a^{2}}\nonumber\\[5mm] F&=&f_3-f_4=\frac{2\sqrt{2}-1}{32 \pi \varepsilon_{0}a^{2}}q^2 9 変換(アンチエイリアス) <IMG SRC="../cgi-cache/20151103_181416.gif"> 変換 正常に処理されました 20151103_181416 http://www.mech.tohoku-gakuin.ac.jp/rde/contents/library/ps2img/eqn2gif_online.html Tue Nov 3 18:22:11 2015