Fix bugs in linear algebra functions

[axkr]

Related symbolic functions and examples

• CharacteristicPolynomial
  • CharacteristicPolynomial({{0,-t,t},{0,1,t},{0,-t,1}}, x)
• MatrixExp
  • MatrixExp({{0,1,1},{-1,0,-1},{1,-1,0}}*t)
  • MatrixExp({{0, t}, {-t, 2*t}})
• Eigensystem
  • Eigensystem({{0,t,t}, {t,0,-t}, {t,-t,0}})
• Orthogonalize
  • Orthogonalize({{1, I}, {2, I}})
  • Orthogonalize({{1,2,3},{5,2,7},{3,5,1}})
• SingularValueDecomposition
  • {u,s,v}=SingularValueDecomposition({{1/2+1/2*I, 11/10},{-I,32/10-45/10*I}}) // N
  • {u,s,v}=SingularValueDecomposition({{3/2, 2}, {5/2, 3}})