Book
Linear Algebra
Author
Gilbert Strang
Edition
var('a') a=matrix([[0,0,1],[0,1,0],[1,0,0]]) print a var('b') b=matrix([[1,2,3],[4,5,6],[7,8,9]]) print b a*b c=a*b print c var('d') d=matrix([[0,0,1],[0,1,0],[1,0,0]]) print d e=c*d print e f=matrix([[1,0,0],[-1,1,0],[-1,0,1]]) print f g=matrix([[1,2,3],[1,3,1],[1,4,0]]) print g h=f*g print h
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