MATLAB/Octave increased precision

[Michael Jachan]

Hello!

I'd like to compute a recursion. The numerical precision of MATLAB 
(5.3.1 on Linux) is not accurate enough if the depth of the recursion 
exceeds 256. I'd like to go up to 1024.

I cannot figure out how the command DOUBLE works.

Is there a way in MATLAB/Octave to increase precision for a certain part 
of the computations (e.g. like format long; blabla; format short;)

THX,

Michael

--
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Michael Jachan
Institute of Communications and Radio-Frequency Engineering
Vienna University of Technology
A-1040 Vienna, Gusshausstr. 27/E389/111
address@hidden, ++43 1 58801 38914
private: +43 699 10 97 36 15
www.nt.tuwien.ac.at/dspgroup/tfgroup/time.html



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