User talk:65.39.86.104

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Hello, I have seen that you made a great deal of contributions to our articles related to statistics, for which I am very grateful. I haven't read them all, but I did go through the article on matrix subtraction. I see that you distinguish between "subtraction of matrix elements" and "subtraction of matrices". Unfortunately, what you call "subtraction of matrix elements" and denote by A (-) B is called "subtraction of matrices" and denoted by A - B by all mathematicians. I wonder whether you could explain the background of this difference.

Furthermore, I would appreciate it if you could please make an account here. That would ease communication a lot. Thanks, Jitse Niesen (talk) 12:50, 10 July 2005 (UTC)