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Re: Difference between x' and x.' ?
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From: |
Chethan Bandi |
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Subject: |
Re: Difference between x' and x.' ? |
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Date: |
Tue, 9 Oct 2007 20:20:35 +0530 |
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User-agent: |
KMail/1.9.5 |
On Tuesday 09 October 2007 19:55, Kim Hansen wrote:
> I can not figure out what the difference should be between x' and x.'
>
> Can someone give me a hint ?
>
x' gives you complex conjugate transpose of a matrix where as x.' gives you
only transpose of a matrix. you can observe this only for complex matrices.
For real matrices both x' and x.' gives you same results.
octave:1> a=[1+2i 3-4i;2+3i 8-5i]
a =
1 + 2i 3 - 4i
2 + 3i 8 - 5i
octave:2> a'
ans =
1 - 2i 2 - 3i
3 + 4i 8 + 5i
octave:3> a.'
ans =
1 + 2i 2 + 3i
3 - 4i 8 - 5i
octave:4>
--
Thanks and Regards,
Chethan Bandi