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$\begingroup$ It is my understanding that the OP has a matrix with entirely symbolic entries, and is keen on determining if it has a zero eigenvalue as it is. Interval arithmetic is useful if the matrix entries are all inexact numbers, tho. $\endgroup$

J. M.'s missing motivation
– J. M.'s missing motivation

2015-10-13 13:12:48 +00:00
Commented Oct 13, 2015 at 13:12

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