What is the secondary diagonal in a matrix?

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nluparev2016-12-15 11:03:58

Mathematics

nluparev, 2016-12-15 11:03:58

Hello
What is considered a secondary diagonal in a quadratic matrix?
Thanks in advance

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iBird Rose, 2016-12-15
@nluparev

well, apparently since the main diagonal is from the top left to the bottom right ( https://ru.wikipedia.org/wiki/%D0%93%D0%BB%D0%B0%D... ), then it is logical that the secondary - top right to bottom left