#ed_op#DIV#ed_cl# #ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl#原來出處是這個,感謝提供資訊,謝謝#ed_op#IMG src="/phpBB2/richedit/smileys/2.gif"#ed_cl##ed_op#/DIV#ed_cl#rainy 寫到:確實令人糊塗#ed_op#BR#ed_cl#1. “高斯符號[ ]”出現在高斯的數學巨著《整數論研考》(Disquisitiones Arithmeticae)。定義為 [ ]=1; [a]=a; [a,b]=[a]b + [ ]; [a,b,…,n]= [a,b,…m]n+[a,b,…,l]; 用於表簡單連分數#ed_op#BR#ed_cl#2. floor function 表為 Floor[x]