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MATLAB/Octave increased precision

From: Michael Jachan
Subject: MATLAB/Octave increased precision
Date: Fri, 6 Jun 2003 03:44:53 -0500
User-agent: Mozilla/5.0 (Windows; U; WinNT4.0; en-US; rv:1.0.1) Gecko/20020823 Netscape/7.0


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;)



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

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