diag(.) does not work
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回答（2 个）
Walter Roberson
2018-10-27
1 个投票
I suspect you accidentally assigned zeros to a variable named diag, so your call is indexing rather than invoking the function.
madhan ravi
2018-10-27
Try
clear all
x=[8 1 6;3 5 7;4 9 2]
diag(x)
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