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when toggle format what by license comment
Oct 15, 2012 at 15:07 history edited Dirk CC BY-SA 3.0
made matrices indefinite
Oct 15, 2012 at 15:06 comment added Dirk Oh yes - why not...
Oct 15, 2012 at 12:36 comment added Igor Rivin The OP actually specifies that both matrices are indefinite, but your example is easily modified to meet that.
Oct 15, 2012 at 10:20 history answered Dirk CC BY-SA 3.0