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Re: apostrophe after linspace code
From: |
Marc Normandin |
Subject: |
Re: apostrophe after linspace code |
Date: |
Thu, 12 Jun 2008 23:23:19 -0400 |
User-agent: |
Thunderbird 2.0.0.14 (X11/20080505) |
Dmitri A. Sergatskov wrote:
> On Thu, Jun 12, 2008 at 9:51 PM, Marc Normandin <address@hidden> wrote:
>> Siddhartha wrote:
>>> can anyone tell me the significance of having the apostrophe
>>> ' after a line of code?
>
>> The apostrophe acts as the transpose operator, flopping rows for columns
>> and columns for rows. In your example, the act of transposing simply
>> turns a row vector (see variable y below) into a column vector.
>>
>
>
> This is a common misconception.
> Try
> x = [1, 2+i, 3+i]
> x'
> x.'
>
> Regards,
>
> Dmitri.
> --
Thanks Dmitri, I stand corrected. Learn something new every day :)
Regards,
Marc
--
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Marc D. Normandin http://web.ics.purdue.edu/~mdnorman
Graduate Research Assistant address@hidden
Indiana University School of Medicine 317-278-9841 (tel)
Department of Radiology, Division of Research 317-274-1067 (fax)
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