Recent questions tagged linear-algebra

1 votes
1 answer
661
Find the Eigenvector of $\begin{bmatrix} 1 & cos\theta\\ cos \theta & 1 \end{bmatrix}$
0 votes
2 answers
663
49 votes
10 answers
666
37 votes
2 answers
667
2 votes
5 answers
669
if $A = \begin{bmatrix} 2 &3 &4 \\ 3 & -1 &2 \\ -1& 4 & 5 \end{bmatrix}$ then rank of the matrix $(A-A^T)$ is _____(A) $1$ (B) $2$ (C...
0 votes
2 answers
673
1 votes
1 answer
675
0 votes
1 answer
677
If A and B are real symmetric matrices of size n*n. Then, which one of the following is true?a) AA^t = Ib) A = A^-1c) AB =BAd) (AB)^t = BA
0 votes
0 answers
678
If a,b and c are constants, which of the following is a linear inequality?a) ax + bcy = 0b) ax^2 + cy = 21c) abx + a^2y >= 15d) xy + ax >= 20
0 votes
0 answers
679
0 votes
2 answers
680
What is the determinant of matrix 2A. determinant of matrix A is 3. and IT is 4 by 4 matrix?
0 votes
0 answers
681
0 votes
0 answers
683
1 votes
1 answer
684
I want to ask about the equation i hv marked a question mark.(p-1qp)n=p-1qnp how??Why is there no power on matrix p ?
0 votes
1 answer
685
while solving linear equations, there comes a case where rank < number of varibles,then we say there are n-r linearly independent solution.What exactly does it mean ?
1 votes
2 answers
686
0 votes
1 answer
687
how to solve??
3 votes
2 answers
688
The number of linearly independent Eigen vectors of is a) 0b) 1 C) 2d) infinite
3 votes
1 answer
689
Consider a 3 x 3 real symmetric matrix S such that two of its eigen values are a &ne; 0 , b &ne; 0 with respective Eigen vectors [ x1 x2 x3 ] , [ y1 y2 y3 ] . If a &ne...