Difference between revisions of "Talk:Addition of vector spaces"
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About the alternative form of the external direct sum: I'd say, {{M|f}} and {{M|(u_1,\cdots,u_n)}} are already two alternative forms of the same object (or else, what the tuple is?); and if so, then this remark is not needed in this article. Just imagine that we always list all combinations of all known alternative forms of all subexpressions of a given expression... [[User:Boris|Boris]] ([[User talk:Boris|talk]]) 18:12, 18 March 2016 (UTC) | About the alternative form of the external direct sum: I'd say, {{M|f}} and {{M|(u_1,\cdots,u_n)}} are already two alternative forms of the same object (or else, what the tuple is?); and if so, then this remark is not needed in this article. Just imagine that we always list all combinations of all known alternative forms of all subexpressions of a given expression... [[User:Boris|Boris]] ([[User talk:Boris|talk]]) 18:12, 18 March 2016 (UTC) | ||
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| + | Oops, no, I should read more! This is a preparation to the following {{M|K}}-indexed case. [[User:Boris|Boris]] ([[User talk:Boris|talk]]) 18:15, 18 March 2016 (UTC) | ||
Revision as of 18:15, 18 March 2016
About the alternative form of the external direct sum: I'd say, f and (u1,⋯,un) are already two alternative forms of the same object (or else, what the tuple is?); and if so, then this remark is not needed in this article. Just imagine that we always list all combinations of all known alternative forms of all subexpressions of a given expression... Boris (talk) 18:12, 18 March 2016 (UTC)
Oops, no, I should read more! This is a preparation to the following K-indexed case. Boris (talk) 18:15, 18 March 2016 (UTC)
