#N canvas 394 81 620 407 10; #X obj 18 84 \$1; #X obj 18 210 -; #X obj 68 115 \$1; #X obj 68 96 f; #X obj 18 19 inlet a; #X obj 84 32 inlet b; #X text 75 134 ba; #X text 33 103 ab; #X obj 18 38 t a b a; #X text 218 15 commutativity rule for operator \$1 is: a \$1 b = b \$1 a; #X text 218 32 which is also a \$1 b - b \$1 a = 0; #X text 218 48 the commutator is a \$1 b - b \$1 a; #X obj 18 229 outlet ab-ba; #X text 189 112 when \$1 = + this is also known as a "group commutator" ; #X text 189 132 when \$1 = * this is also known as a "ring commutator" ; #X text 190 153 however \, this thing i call commutator is more general ; #X text 189 172 see commutative-test.pd; #X obj 106 229 outlet ab+ba; #X obj 18 141 t a a; #X obj 106 210 +; #X text 106 247 anticommutator; #X text 19 247 commutator; #X connect 0 0 18 0; #X connect 1 0 12 0; #X connect 2 0 1 1; #X connect 2 0 19 0; #X connect 3 0 2 0; #X connect 4 0 8 0; #X connect 5 0 3 1; #X connect 5 0 0 1; #X connect 8 0 0 0; #X connect 8 1 3 0; #X connect 8 2 2 1; #X connect 18 0 1 0; #X connect 18 1 19 1; #X connect 19 0 17 0;