entering tide data

[David Bateman]

Brado wrote:
> d.b. sent me the following instructions:
>
> A bit of regexp magic will do the trick..
>
> fid = fopen("tide.txt");
> s = char(fread(fid)).';
> fclose(fid);
> t = regexp(s,'^\s*(\d+)\+(\d+)\s+([\.\d]+)','tokens','lineanchors');
> dte = cellfun(@(x) x(1), t)
> tme = cellfun(@(x) x(2), t)
> tide = cellfun(@(x) x(3), t)
>
> Thank you for your effort and time, however I'm completely new to
> octave/matlab. Is the above a script? how do I use it? Thanks.
>
> Here is a sample of the data: I made a mistake earlier, the date is numbered
> by the day (365).
>
> 2007022+0030   0.231
> 2007022+0100   0.238
> 2007022+0130   0.235
> 2007022+0200   0.234
>
>   
Have your data in a file tide.txt in the current directory of octave 
(pwd command in octave) then  cut and paste the commands I sent into 
Octave's command window.

D.



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David Bateman                                dbateman at dbateman.org
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