Electronics and Communication Engineering
GATE ECE topic:linear-algebra PYQs
Build your understanding with focused practice from past exam papers.
How to practice topic:linear-algebra
Attempt a question, record the concept and assumptions, then check the available answer. Rework mistakes after revising the relevant concepts. Topic tags can overlap; review the question context.
Questions 1–10 of 21. Imported answers require independent review unless marked reviewed.
Question 26
Open questionECMSQ1 markNeeds review
Consider the matrix
. Which of the following options is/are TRUE if
?Your answerSelect all correct options. You can choose more than one.
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Open questionECMCQ1 markNeeds review
Consider the matrix
below:
For which of the following combinations of
and
, is the rank of
at least three?(i)
and
.(ii)
.(iii)
and
.(iv)
.Your answerChoose one option.
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 59
Open questionECNAT2 marksNeeds review
Consider the vectors
For real-valued scalar variable
, the value of
is __________ (rounded off to two decimal places).
denotes the Euclidean norm, i.e., for
,
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Open questionECNAT1 markNeeds review
Let
and
denote the set of real numbers and the three dimensional vector space over it, respectively. The value of
for which the set of vectors
does not form a basis of
is ______.Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 55
Open questionECMSQ2 marksNeeds review
Consider the matrix
, where
is a positive real number. Which of the following vectors is/are eigenvector(s) of this matrix?Your answerSelect all correct options. You can choose more than one.
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 11
Open questionECMCQ1 markNeeds review
Let
and
be two vectors. The value of the coefficient
in the expression
, which minimizes the length of the error vector
, isYour answerChoose one option.
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Open questionECMCQ1 markNeeds review
Let the sets of eigenvalues and eigenvectors of a matrix
be
and
, respectively. For any invertible matrix
, the sets of eigenvalues and eigenvectors of the matrix
, where
, respectively, areYour answerChoose one option.
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Open questionECMCQ2 marksNeeds review
Let
be an
real column vector with length
. The trace of the matrix
isYour answerChoose one option.
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Open questionECMCQ1 markNeeds review
Consider a system of linear equations
, where
This system of equations admits ________.Your answerChoose one option.
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 37
Open questionECMCQ2 marksNeeds review
Let
be two non-zero real numbers and
be two non-zero real vectors of size
. Suppose that
and
satisfy
,
, and
. Let
be the
matrix given by:
The eigenvalues of
are ________.Your answerChoose one option.
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