• Book	Linear Algebra
  Author	Gilbert Strang
  Edition

code_begins

var('a,b')
e=matrix([[1,0,0],[a,1,0],[b,0,1]])
print e
var('c')
f=matrix([[1,0,0],[0,1,0],[0,c,1]])
print f
print e*f

code_ends

• Solution by:

  • <Your Name>, <Profession>, <Organization>

  • <Your Name>, <Profession>, <Organization>