DavidB4-bot
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14:34
DavidE
another way of expressing it that may be clearer to some people
18:22
+95
Yinghua
Added nouns to sentences, fixed grammar and spelling.
16:30
+44
Foxtrot
cat
21:25
+3
DanielB
no edit summary
01:24
+4
New page: In mathematics the '''identity matrix''' is the which does not change the size or values of a matrix under the operation of multiplication. The usually identity matrix is denoted <math>I</...
01:23
+598