/usr/lib/open-axiom/input/matbug.input is in open-axiom-test 1.4.1+svn~2626-2ubuntu2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 | --Copyright The Numerical Algorithms Group Limited 1996.
msq := Matrix SquareMatrix(2,POLY INT)
m : msq := zero(2,2)
m(1,1) := matrix([[1,2],[a,b]])
m(1,2) := matrix([[a,b],[2,b]])
m(2,2) := matrix([[1,2],[2,b]])
m
m*m
m**2
m**3
(m*m)*m
mm:=m*m
mm*m
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