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Recent questions tagged matrix
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DRDO CSE 2022 Paper 1 | Question: 1
Compute $\left[M M^{T}\right]^{-1}$ for an orthogonal matrix where \[M=\left[\begin{array}{lll} \frac{1}{\sqrt{2}} & \frac{2}{\sqrt{2}} & \frac{-2}{\sqrt{2}} \\ \frac{-2}{\sqrt{2}} & \frac{2}{\sqrt{2}} & \frac{1}{\sqrt{2}} \\ \frac{2}{\sqrt{2}} & \frac{1}{\sqrt{2}} & \frac{2}{\sqrt{2}} \end{array}\right] .\]
admin
asked
in
Linear Algebra
Dec 15, 2022
by
admin
102
views
drdocse-2022-paper1
linear-algebra
matrix
3-marks
descriptive
0
votes
1
answer
2
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?
DAWID15
asked
in
Linear Algebra
Dec 9, 2022
by
DAWID15
174
views
made-easy-test-series
matrix
linear-algebra
0
votes
0
answers
3
Matrix
While studying Linear algebra I got 2 perspectives. Which meaning out of these 2 is more accurate?
Mohib
asked
in
Linear Algebra
Oct 17, 2022
by
Mohib
148
views
matrix
linear-algebra
engineering-mathematics
0
votes
2
answers
4
Engineering mathematics
If A is a non-zero column matrix of order n×1 and B is a non-zero row matrix of order 1×n then rank of AB equals ? Rank(ab) can be zero???
Overflow04
asked
in
Linear Algebra
Sep 21, 2022
by
Overflow04
210
views
engineering-mathematics
linear-algebra
matrix
self-doubt
2
votes
2
answers
5
Made Easy: Linear Algebra (MSQ)
Let $A$ be a $3$ x $3$ matrix with rank $2$. Then, $AX=0$ has The trivial solution $X=0$. One independent solution. Two independent solution. Three independent solution.
DebRC
asked
in
Linear Algebra
Sep 19, 2022
by
DebRC
422
views
linear-algebra
engineering-mathematics
rank-of-matrix
matrix
system-of-equations
1
vote
0
answers
6
Self doubt.
If A, B & C are matrices & AB=AC then B=C? as we know it is not always true because when A is singular matrix then B=C not possible so what is the right ans to say B=C is (always not equal) or (may or may not be equal) or (simply not equal)?
Nisha Bharti
asked
in
Linear Algebra
Sep 19, 2022
by
Nisha Bharti
198
views
matrix
determinant
0
votes
2
answers
7
data structure using c, by yaswant kanethkar
Explain the method to calculate the address of an element in an array. A 25*4 matrix array DATA is stored in memory in ‘row-major order’. If base address is 200 and 4 words per memory cell. Calculate the address of DATA [12, 3]…??
akama
asked
in
DS
Sep 11, 2022
by
akama
407
views
data-structures
array
matrix
0
votes
0
answers
8
Eigen Value Of A Matrix
For given Matrix: [ 1 2 3 1 5 1 3 1 1 ] Why does the sum of the eigen values of above matrix is the sum of diagonal elements of that matrix?
ryandany07
asked
in
Linear Algebra
Sep 4, 2022
by
ryandany07
161
views
eigen-value
matrix
engineering-mathematics
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