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Recent questions in Linear Algebra / GATE Overflow for GATE CSE

Web Page

Syllabus: Matrices, determinants, System of linear equations, Eigenvalues and eigenvectors, LU decomposition.

$$\scriptsize{\overset{{\large{\textbf{Mark Distribution in Previous GATE}}}}{\begin{array}{|c|c|c|c|c|c|c|c|}\hline
\textbf{Year}& \textbf{2022} & \textbf{2021-1}&\textbf{2021-2}&\textbf{2020}&\textbf{2019}&\textbf{2018}&\textbf{2017-1}&\textbf{2017-2}&\textbf{2016-1}&\textbf{2016-2}&\textbf{Minimum}&\textbf{Average}&\textbf{Maximum}
\\\hline\textbf{1 Mark Count} & 1 &0&1&0&1&1&1&1&1&2&0&0.9&2
\\\hline\textbf{2 Marks Count} & 2 &1&1&1&1&1&2&1&0&0&0&1&2
\\\hline\textbf{Total Marks} & 5 &2&3&2&3&3&5&3&1&2&\bf{1}&\bf{2.9}&\bf{5}\\\hline
\end{array}}}$$

Recent questions in Linear Algebra

#321
602
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0 answers
1 votes
IF A=$\begin{bmatrix} 2& -0.1\\ 0 & 3 \end{bmatrix}$ AND A-1=$\begin{bmatrix} \frac{1}{2}& a\\ 0 & b\end{bmatrix}$ then a+b ?a)$\frac{7}{20}$ b)$\frac{3}...
#322
396
views
1 answers
1 votes
#323
506
views
0 answers
0 votes
#324
503
views
0 answers
1 votes
Given that a matrix $A_{3\times3},$which is not idempotent matrix.And $A^{3}=A.$Then find them,$1)$ Eigen Values$2)$ Trace of the matrix$=$Sum of Leading Diagonal Element...
#325
2.0k
views
1 answers
0 votes
Given that a matrix $[A]_{4\times4},$any one row/column is dependent on the others, and given matrix are singular matrix$(|A|=0)$.And another matrix $B=adj(A),$then find ...
#326
706
views
0 answers
0 votes
Given that the matrix $A=\begin{bmatrix} a_{11} &a_{12} \\ a_{21} &a_{22} \end{bmatrix}$ and Eigen value are $1,-2$ and Corresponding Eigen Vectors are $X_{1}=\begin{bmat...
#327
1.0k
views
0 answers
1 votes
My solution:-Since the Determinant of matrix is Zero. So it will posses non trivial solution. Now what should be the answer ?According to me Option D as rank is < Order ...
#328
172
views
0 answers
0 votes
How many real links are required to store a sparse matrix of 10 rows, 10 columns and 15 non-zero entries?1) 152) 203) 504) 100
#329
1.3k
views
1 answers
1 votes
#330
759
views
2 answers
1 votes
#331
614
views
0 answers
0 votes
#332
2.3k
views
2 answers
2 votes
For matrix $p=\begin{bmatrix} 3 &-2 &2 \\ 0 &-2 &1 \\ 0& 0 & 1 \end{bmatrix}$if one of the eigen values is equal to – 2, then which of the following is an eigen vector...
#333
322
views
2 answers
1 votes
The eigen value of the following matrix in[ 1 1 1 1 1 1 1 1 1 ](a) 1, 1, 1 (b) 1, 0, 0(c) 3, 0, 0 (d) 0, 0, 0
#334
290
views
0 answers
0 votes
A2 − A = 0, where A is a 9×9 matrix. Then(a) A must be a zero matrix(b) A is an identity matrix(c) rank of A is 1 or 0(d) A is diagonalizable
#338
1.7k
views
1 answers
1 votes
$\left. \begin{array} { l } { \text { If A is a skew-symmetric matrix of order n, then number of linearly } } \\ { \text { independent eigen vectors of } \left( \mathrm {...
#339
474
views
2 answers
1 votes
#340
410
views
1 answers
0 votes