3 Mozilla/5.0 (Windows NT 5.1) AppleWebKit/534.24 (KHTML, like Gecko) Chrome/11.0.696.65 Safari/534.24 /rde/contents/library/ps2img/cgi-bin/eqn2gif.cgi 157.118.3.12 1305128834 2011/05/12 00:47:14 \overrightarrow{\rm a} // \overrightarrow{\rm b} \longleftrightarrow \overrightarrow{\rm b}= k \overrightarrow{\rm a} 12 ______(________________________) <IMG SRC="../cgi-cache/20110512_003911.gif"> ______ 正常に処理されました 使用できないTeXコマンドがありました \longleftrightarrow 20110512_003911 http://www.google.co.jp/url?sa=t&source=web&cd=1&sqi=2&ved=0CBkQFjAA&url=http%3A%2F%2Fwww.mech.tohoku-gakuin.ac.jp%2Frde%2Fcontents%2Flibrary%2Fps2img%2Fcgi-bin%2Feqn2gif.cgi&rct=j&q=eqn2gif&ei=m63KTb2gE5GavAP_kNXYBQ&usg=AFQjCNG2vJeUADZlcso1rIEPxtg7etgkPw Thu May 12 00:47:14 2011