Loading docs/math/permutation-group.md +1 −3 Original line number Diff line number Diff line Loading @@ -37,9 +37,7 @@ $$ ### 置换的乘法 对于两个置换 $f=\pmatrix{a_1,a_2,\dots,a_n\\ a_{p_1},a_{p_2},\dots,a_{p_n}}$ 和 $g=\pmatrix{a_{p_1},a_{p_2},\dots,a_{p_n}\\ a_{q_1},a_{q_2},\dots,a_{q_n}}$ ， $f$ 和 $g$ 的乘积记为 $f\circ g$ ，其值为 对于两个置换 $f=\pmatrix{a_1,a_2,\dots,a_n\\a_{p_1},a_{p_2},\dots,a_{p_n}}$ 和 $g=\pmatrix{a_{p_1},a_{p_2},\dots,a_{p_n}\\a_{q_1},a_{q_2},\dots,a_{q_n}}$ ， $f$ 和 $g$ 的乘积记为 $f\circ g$ ，其值为 $$ f\circ g=\pmatrix{a_1,a_2,\dots,a_n\\ Loading Loading
docs/math/permutation-group.md +1 −3 Original line number Diff line number Diff line Loading @@ -37,9 +37,7 @@ $$ ### 置换的乘法 对于两个置换 $f=\pmatrix{a_1,a_2,\dots,a_n\\ a_{p_1},a_{p_2},\dots,a_{p_n}}$ 和 $g=\pmatrix{a_{p_1},a_{p_2},\dots,a_{p_n}\\ a_{q_1},a_{q_2},\dots,a_{q_n}}$ ， $f$ 和 $g$ 的乘积记为 $f\circ g$ ，其值为 对于两个置换 $f=\pmatrix{a_1,a_2,\dots,a_n\\a_{p_1},a_{p_2},\dots,a_{p_n}}$ 和 $g=\pmatrix{a_{p_1},a_{p_2},\dots,a_{p_n}\\a_{q_1},a_{q_2},\dots,a_{q_n}}$ ， $f$ 和 $g$ 的乘积记为 $f\circ g$ ，其值为 $$ f\circ g=\pmatrix{a_1,a_2,\dots,a_n\\ Loading
