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MathGroup Archive 1992

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Re: Determinant function in Mathematica

  • To: mathgroup at yoda.physics.unc.edu
  • Subject: Re: Determinant function in Mathematica
  • From: gloor at inf.ethz.ch
  • Date: Thu, 9 Apr 92 13:53:34 +0200

Maybe you have to less memory, for me it works pretty well up to 7x7 - determinants:

------------------------------

Mathematica 2.0 for SPARC
Copyright 1988-91 Wolfram Research, Inc.
Temporary license: expiration date is 30 Jun 1992.
 -- X11 windows graphics initialized -- 

In[1]:= a[n_] := Table[ StringJoin["a",ToString[i],ToString[j]], {i,1,n},{j,1,n}];

In[2]:= Do[ Print[ First[ Timing[ Det[ a[t]]]]], {t,1,7}]
0.0166667 Second
0.05 Second
0.233333 Second
0.9 Second
5.95 Second
74.1 Second
2585.98 Second

-----------------------------

Oliver Gloor,

gloor at inf.ethz.ch





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