in your LU decomp file exchange, what does the ' character do?

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Diane 2014-11-1

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https://ww2.mathworks.cn/matlabcentral/answers/160880-in-your-lu-decomp-file-exchange-what-does-the-character-do

评论： Jan 2014-11-1

in the file exchange is an LU decomp example by Timothee called, of course, LU Decomposition. in it is a line that says:

xstar_soln=xstar_soln'; and a second similar statement that says: x_soln=x_soln';

what does the primed character, ', do? is it just another character? what does this statement accomplish? - it seems meaningless, since the primed variable never appears anywhere else in the script.

I am just learning Matlab, and don't know where to find answers to this kind of question.

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Answer 1

Harry 2014-11-1

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https://ww2.mathworks.cn/matlabcentral/answers/160880-in-your-lu-decomp-file-exchange-what-does-the-character-do#answer_157320

编辑：Harry 2014-11-1

It is the complex conjugate transpose operator:

http://www.mathworks.co.uk/help/matlab/ref/ctranspose.html

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Matt J 2014-11-1

Diane commented:

Thank you! that explains why it does not work without it!

Jan 2014-11-1

@Diane: Please accept this answer, if it solves your problem. The section for answers should be used for answers only, not for comments to otehr answers. Thanks.

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