Diff for "Strang-4.2-2-U"

Differences between revisions 2 and 5 (spanning 3 versions)

Book

Linear Algebra

Author

Gilbert Strang

Edition

code_begins

print " let us take a 3x3 matrix having det= -1 as"
A = matrix([[0,1,0],[1,0,0],[0,0,1]])
print A
print ""
print "determinant of A =",
x = det(A)
print x
x = det(0.5*A)
print "determinant of 0.5*A =",
print x
x = det(-A)
print "determinant of -A =",
print x
x = det(A*A)
print "determinant of A*A =",
print x
x =  det(A.inverse())
print "determinant of A^-1 =",
print x

code_ends

Solution by:
- Ch.Sandeep, student, GITAM University
- V.Vishnu Sarma, student, GITAM University

-  ⇤ ← Revision 2 as of 2010-12-17 06:35:36 → 
  Size: 478
  Editor: trss
  Comment:
+   ← Revision 5 as of 2010-12-18 08:10:45 → ⇥
  Size: 657
  Editor: ch.sandeep
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
 Line 8:
-A=identity_matrix(3)*(-1)
A.determinant()
(A/2).determinant()
(-A).determinant()
(A**2).determinant()
A.inverse().determinant()
+print " let us take a 3x3 matrix having det= -1 as"
A = matrix([[0,1,0],[1,0,0],[0,0,1]])
print A
print ""
print "determinant of A =",
x = det(A)
print x
x = det(0.5*A)
print "determinant of 0.5*A =",
print x
x = det(-A)
print "determinant of -A =",
print x
x = det(A*A)
print "determinant of A*A =",
print x
x =  det(A.inverse())
print "determinant of A^-1 =",
print x
-Line 19:
+Line 33:
-   * Vignesh Ganapathiraman, Student, CMI
   * Pooja Kalra, Student, Malwa Institute of Technology
   * T R Shyam Sundar, Student, CMI
   * Sonam Kumar, Student, CMI
+   * Ch.Sandeep, student, GITAM University
   * V.Vishnu Sarma, student, GITAM University

Book	Linear Algebra
Author	Gilbert Strang
Edition