Book
Linear Algebra
Author
Gilbert Strang
Edition
A=matrix([[2,3,4],[5,6,7],[8,9,1]]) B=matrix([[4,5,6],[1,3,4],[6,5,9]]) C=matrix([[5,7,2],[5,1,9],[8,3,7]]) I=matrix([[1,0,0],[0,1,0],[0,0,1]]) Q=I*A print Q Z=bool(Q==A) print Z w=(A*B)*C e=A*(B*C) print w print e L=bool(w==e) print L r=A*(B+C) t=(A*B)+(A*C) print r print t V=bool(r==t) print V Y=A*B U=B*A print U print Y bool(U==Y)
Solution by:
- guna,student,snist
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