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Recent questions tagged matrix
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31
Ace textbook
What is the time complexity of best algorithm that decides whether a given directed graph represented as adjacency Matrix contains a sink or not ? (a)O(V^2) (b)O(VlogV) (c)O(V^2logV) (d)O(V)
What is the time complexity of best algorithm that decides whether a given directedgraph represented as adjacency Matrix contains a sink or not ?(a)O(V^2)(b)O(VlogV)(c)O(...
Aniket1710
338
views
Aniket1710
asked
Jul 11, 2023
Algorithms
algorithms
time-complexity
matrix
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–
0
votes
1
answer
32
rbr practice questions
Is the product of eigen values of a matrix equal to its determinant true for all the matrices?
Is the product of eigen values of a matrix equal to its determinant true for all the matrices?
vanshikha020
461
views
vanshikha020
asked
Jul 1, 2023
Linear Algebra
matrix
eigen-value
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0
votes
1
answer
33
#self doubt
Dknights
453
views
Dknights
asked
Apr 18, 2023
Linear Algebra
linear-algebra
matrix
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0
votes
1
answer
34
#appliedcourse
not getting the answer by 3*3 eigen value formula – (x^3-trace(a)*x^2+sum of minors of a(x)+|a|) eigen values are given as -2,3,6
not getting the answer by 3*3 eigen value formula – (x^3-trace(a)*x^2+sum of minors of a(x)+|a|)eigen values are given as -2,3,6
Dknights
485
views
Dknights
asked
Apr 14, 2023
Linear Algebra
linear-algebra
matrix
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–
13
votes
2
answers
35
GO Classes 2024 | Weekly Quiz 7 | Linear Algebra | Question: 18
In this problem, consider the $4 \times 4$ matrix $A$ whose columns are vectors $\mathbf{a}_1, \mathbf{a}_2, \mathbf{a}_3, \mathbf{a}_4 \in \mathbb{R}^4$ ... a element in matrix $\text{A}$ at $\mathrm{i}^{\text {th }}$ row and $\mathrm{j}^{\text{th}}$ column.
In this problem, consider the $4 \times 4$ matrix $A$ whose columns are vectors $\mathbf{a}_1, \mathbf{a}_2, \mathbf{a}_3, \mathbf{a}_4 \in \mathbb{R}^4$ :$$A=\left[\math...
GO Classes
744
views
GO Classes
asked
Apr 5, 2023
Linear Algebra
goclasses2024_wq7
numerical-answers
goclasses
linear-algebra
matrix
vector-space
2-marks
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–
24
votes
2
answers
36
GO Classes CS/DA 2025 | Weekly Quiz 4 | Linear Algebra | Question: 30
There exist a $3 \times 3$ real symmetric matrix $\text{S}$ ... is true but Statement $2$ is false Statement $1$ is false but Statement $2$ is true Both Statements are true Both Statements are false
There exist a $3 \times 3$ real symmetric matrix $\text{S}$ such that -$\text{Statement 1}: \text{S}\left(\begin{array}{l} 1 \\ 2 \\ 3 \end{array}\right)=\left(\begin{arr...
GO Classes
1.2k
views
GO Classes
asked
Mar 29, 2023
Linear Algebra
goclasses2025_csda_wq4
goclasses
linear-algebra
matrix
2-marks
+
–
0
votes
1
answer
37
#Eigen Vectors
Find the eigen values and eigen vector of the following matrix????
Find the eigen values and eigen vector of the following matrix????
Çșȇ ʛấẗẻ
1.2k
views
Çșȇ ʛấẗẻ
asked
Mar 21, 2023
Mathematical Logic
eigen-value
linear-algebra
engineering-mathematics
matrix
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–
3
votes
1
answer
38
TIFR CSE 2023 | Part A | Question: 5
Suppose $A$ is a $2 \times 2$ matrix such that the sum of the principal diagonal entries of $A$ is $10$ and the sum of the principal diagonal entries of $A^{2}$ is $20$. (For any $2 \times 2$ matrix $B$, the ... $80$ Nonzero, but cannot be uniquely determined from the above data. Cannot be uniquely determined from the above data, and could also be zero.
Suppose $A$ is a $2 \times 2$ matrix such that the sum of the principal diagonal entries of $A$ is $10$ and the sum of the principal diagonal entries of $A^{2}$ is $20$. ...
admin
329
views
admin
asked
Mar 14, 2023
Linear Algebra
tifr2023
linear-algebra
matrix
+
–
4
votes
1
answer
39
TIFR CSE 2023 | Part A | Question: 15
Consider the $n \times n$ matrix $M$ ... $S$ have? $1$ $\left(\begin{array}{l}n \\ 2\end{array}\right)$ $n$ ! $(n !)^{2}$ $n$
Consider the $n \times n$ matrix $M$ defined as follows:$$M=\left(\begin{array}{cccc}1 & 2 & \ldots & n \\n+1 & n+2 & \ldots & 2 n \\2 n+1 & 2 n+2 & \ldots & 3 n \\\vdots...
admin
535
views
admin
asked
Mar 14, 2023
Linear Algebra
tifr2023
linear-algebra
matrix
+
–
1
votes
1
answer
40
DRDO CSE 2022 Paper 1 | Question: 1
Compute $\left[M M^{T}\right]^{-1}$ for an orthogonal matrix where \[M=\left[\begin{array}{lll} \frac{1}{\sqrt{2}} & \frac{2}{\sqrt{2}} & \frac{-2}{\sqrt{2}} \\ \frac{-2}{\sqrt{2}} & \frac{2}{\sqrt{2}} & \frac{1}{\sqrt{2}} \\ \frac{2}{\sqrt{2}} & \frac{1}{\sqrt{2}} & \frac{2}{\sqrt{2}} \end{array}\right] .\]
Compute $\left[M M^{T}\right]^{-1}$ for an orthogonal matrix where\[M=\left[\begin{array}{lll}\frac{1}{\sqrt{2}} & \frac{2}{\sqrt{2}} & \frac{-2}{\sqrt{2}} \\\frac{-2}{\s...
admin
449
views
admin
asked
Dec 15, 2022
Linear Algebra
drdocse-2022-paper1
linear-algebra
matrix
3-marks
descriptive
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–
0
votes
1
answer
41
MADEEASY TESTSERIES
To justify the OPTION B they gave an example of 2*2 matrix. However we can see that row 2 is linearly dependent on row1. Even though the 2nd row looks non-zero it can be made into zero. SO am I wrong or the explanation is wrong?
To justify the OPTION B they gave an example of 2*2 matrix. However we can see that row 2 is linearly dependent on row1. Even though the 2nd row looks non-zero it can be ...
DAWID15
673
views
DAWID15
asked
Dec 9, 2022
Linear Algebra
made-easy-test-series
matrix
linear-algebra
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