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Discussion of Problem 1383. Flower-garden Designs

2 Admins, plz correct english text.
Posted by Ivankov Dmitry 30 Oct 2005 12:58
Not "positively defined" but "with positive determinant" as it is said in russian text, and which is used in correct definition of affine transformation.
For example matrix
-1 3
-2 1
is not positively defined, but has positive determinant.
Fixed (-)
Posted by Vladimir Yakovlev (USU) 31 Oct 2005 01:48