• Book	Linear Algebra
  Author	Gilbert Strang
  Edition

code_begins

var('p,q,r')
r=matrix([[p,q],[q,r]])
print r
s=r*r;s
det(s)
print "r is positive definite for det not equal to zero"

code_ends

• Solution by:

  • <sarada>, <student>,<prakasam>

<ananthalakshmi>, <student>, <prakasam>