Differences between revisions 3 and 4
⇤ ← Revision 3 as of 2010-12-17 20:22:28 →
Size: 1019
Editor: 10
Comment:
← Revision 4 as of 2010-12-18 07:57:48 → ⇥
Size: 844
Editor: prakasam team
Comment:
Deletions are marked like this. Additions are marked like this.
Line 8: Line 8:
A=identity_matrix(3)*(-1)
A.determinant()
(A/2).determinant()
(-A).determinant()
(A**2).determinant()
A.inverse().determinant()		 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"
    
Line 15: Line 26:
/* above code has no print for calculated answers */
Line 17: Line 27:
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 42: Line 34:
   * 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		    *<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>

  • Book

    Linear Algebra

    Author

    Gilbert Strang

    Edition

    		 

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"

  • Solution by:

    • <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>

Strang-4.2-2-U (last edited 2010-12-18 08:12:07 by ch.sandeep)