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Thread Subject: Extract a row from matrix

Subject: Extract a row from matrix

From: laser

Date: 12 Jul, 2007 04:20:22

Message: 1 of 2

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suppose we have 3*3*3 dimension matrix A, and A(10,:,:) =

0 0 0
1 2 3
0 0 0

I wnat to plot the second row, I can't direct use A(10,2,:), since
it's 1*1*3 dimension. So I need to extract the row to a 1*3 dimension
array. How can I do that? thanks.

Subject: Extract a row from matrix

From: laser

Date: 12 Jul, 2007 05:48:52

Message: 2 of 2

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On Jul 12, 12:28 pm, rober...@ibd.nrc-cnrc.gc.ca (Walter Roberson)
wrote:
> In article <1184214022.844624.36...@57g2000hsv.googlegroups.com>,
>
> laser <laser.y...@gmail.com> wrote:
> >suppose we have 3*3*3 dimension matrix A, and A(10,:,:) =
> >0 0 0
> >1 2 3
> >0 0 0
> >I wnat to plot the second row, I can't direct use A(10,2,:), since
> >it's 1*1*3 dimension. So I need to extract the row to a 1*3 dimension
> >array. How can I do that? thanks.
>
> reshape(A(10,2,:),[])
>
> or
>
> squeeze(A(10,2,:))
>
> --
> Okay, buzzwords only. Two syllables, tops. -- Laurie Anderson

Thanks. Thats exactly what I want.

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Tag	Applied By	Date/Time
matrix	Matthew Simoneau	12 Jul, 2007 11:03:04

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