Diff for "Strang-4.2-2-U"

Differences between revisions 4 and 5

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 4 as of 2010-12-18 07:57:48 → 
  Size: 844
  Editor: prakasam team
  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=matrix([[1,2,3,4],[3,4,5,6],[6,7,8,9],[3,4,5,6]])
X=det(a)
if ( X==1/2 ):
    print "valid"
    Y=det(2*a)
    print Y
    Z=det(-a)
    print Z
    C=inv(a)
    print C
    D=det(C)
    print D
    B=det(a**2)
    print B
else :
    print "not valied"
+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 34:
+Line 33:
-   *<N.V.S Saikrishna>, <student>, <Prakasam engineering College>
*<M.Pavan kumar>, <student>, <Prakasam engineering College>
*<T.Raghavendra>, <student>, <Prakasam engineering College>
*<B.Raghavendra>, <student>, <Prakasam engineering College>
*<Y.Siva kumar Reddy>, <student>, <Prakasam engineering College>\
*<J.lakshmi narayana>, <student>, <Prakasam engineering College>
+   * Ch.Sandeep, student, GITAM University
   * V.Vishnu Sarma, student, GITAM University

Book	Linear Algebra
Author	Gilbert Strang
Edition