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dispay error in command window

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Merida
Merida 2019-5-9
评论： Merida 2019-5-9
I have a variable which contains complex values (FFT result). As you can see in the above figure, the second imaginary value in this variable is negative. When i load the second value to a variable 'aa' as a transpose, it retains the negative component. But when i load as it is, to the variable 'bb', it doesnt show as a negative component. Why is that ? this is perplexing.

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Walter Roberson
Walter Roberson 2019-5-9
The ' operator is not the transpose operator: it is the conjugate transpose operator. The transpose operator is .'
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Walter Roberson
Walter Roberson 2019-5-9
I do not appear to find any function named signlm?
Merida
Merida 2019-5-9
Ahh. never mind. i had taken the complex tranpose earlier of freqdata as it is. My mistake. Thank you for your help.

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