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Message-ID: <20051028070640.79227.qmail@web30604.mail.mud.yahoo.com>
Date: 2005-10-28T07:06:40Z
From: Robert
Subject: solve error

> w
    [,1] [,2] [,3] [,4]
1:1  0.0  0.5  0.5  0.0
2:1  0.5  0.0  0.0  0.5
1:2  0.5  0.0  0.0  0.5
2:2  0.0  0.5  0.5  0.0

> solve(w)
Error in solve.default(w) : Lapack routine dgesv:
system is exactly singular

what does the error mean?