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Questions by vishwajit_vishnu
6
votes
1
answer
1
GATE CE 2005 linear algebra
Consider the system of linear equations A(n*n)X(n*1) = λ(n*1) where λ is a scalar. Let (λi , Xi) be an eigen pair of an eigen value and its corresponding eigen vector for a real matrix A. Let I be a n*n unit matrix. Which one of the following statements is ... = A's inverse ) , then mod(λi)=1 for all i. (D) if (A's transpose = A) , then λi is real for all i
Consider the system of linear equations A(n*n)X(n*1) = λ(n*1) where λ is a scalar. Let (λi , Xi) be an eigen pair of an eigen value and its corresponding eigen vector ...
2.2k
views
asked
Sep 1, 2017
Linear Algebra
engineering-mathematics
eigen-value
linear-algebra
usergate2005
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5
votes
3
answers
2
Gate CE 2005 linear algebra
Consider a non- homogeneous system of linear equations representing mathematically an over determined system. Such a system will be (A) consistent having a unique solution (B) consistent having many solutions (C) inconsistent having a unique solution (D) inconsistent having no solution
Consider a non- homogeneous system of linear equations representing mathematically an over determined system. Such a system will be (A) consistent having a unique solutio...
6.8k
views
asked
Aug 31, 2017
Linear Algebra
engineering-mathematics
linear-algebra
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1
votes
1
answer
3
Diagonalisation of a matrix necessary and sufficient condition
Whats the meaning of following sentence? Plz explain with example (if possible); " A necessary and sufficient condition for a matrix A(n*n matrix) to be diagonalisable is that the matrix must have n linearly independent eigen vectors"
Whats the meaning of following sentence? Plz explain with example (if possible);" A necessary and sufficient condition for a matrix A(n*n matrix) to be diagonalisable is ...
3.8k
views
asked
Aug 31, 2017
Mathematical Logic
linear-algebra
engineering-mathematics
matrix
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4
votes
3
answers
4
Is following sql query valid?
Can a sql query be like this: SELECT name AS instructor from instructor; The attributes' name can be renamed to table name or not?
Can a sql query be like this: SELECT name AS instructor from instructor;The attributes' name can be renamed to table name or not?
494
views
asked
Aug 13, 2017
Databases
sql
databases
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