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Recent questions tagged engineering-mathematics
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61
kenneth h rosen chapter 1 section 1.5 nested quantifiers excercise no 17, b
Express each of these system specifications using predi- cates, quantifiers, and logical connectives, if necessary. b)There is a process that continues to run during all error conditions only if the kernel is working correctly.
ykrishnay
asked
in
Mathematical Logic
Apr 16, 2022
by
ykrishnay
174
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discrete-mathematics
mathematical-logic
propositional-logic
engineering-mathematics
kenneth-rosen
0
votes
0
answers
62
kenneth h rosen chapter 1 excercise 1.4 predicates and quantifiers question 46
Exercises 46-49 establish rules for null quantification that we can use when a quantified variable does not appear in part of a statement. 46. Establish these logical equivalences, where x does not occur as a free variable in A. Assume ... A ≡ ∃x(P (x) ∨ A) my doubt is wha is exactly A in in this logical expressions
ykrishnay
asked
in
Mathematical Logic
Mar 20, 2022
by
ykrishnay
383
views
discrete-mathematics
propositional-logic
mathematical-logic
engineering-mathematics
kenneth-rosen
0
votes
1
answer
63
kenneth h rosen chapter 1 excercise 1.4 predicates ad quantifiers question 59 symbolic logic
Let P (x), Q(x), and R(x) be the statements x is a professor, x is ignorant, and x is vain, respectively. Express each of these statements using quantifiers; logical connectives; and P (x), Q(x), and ... c) follow from (a) and (b) what is the soution of d) cause i did not understand what the d) says?
ykrishnay
asked
in
Mathematical Logic
Mar 19, 2022
by
ykrishnay
1.1k
views
discrete-mathematics
propositional-logic
mathematical-logic
engineering-mathematics
kenneth-rosen
0
votes
0
answers
64
kenneth h rosen chapter 1 excercise 1.4 predicates ad quantifiers question 33
Express each of these statements using quantifiers. Then form the negation of the statement, so that no negation is to the left of a quantifier. Next, express the negation in simple English. (Do not simply use the phrase It ... There is no dog that can talk. e) There is no one in this class who knows French and Russian.
ykrishnay
asked
in
Mathematical Logic
Mar 19, 2022
by
ykrishnay
178
views
discrete-mathematics
propositional-logic
mathematical-logic
engineering-mathematics
kenneth-rosen
1
vote
1
answer
65
kenneth h rosen excercise 1.4 predicates and quantifiers question 22
22. For each of these statements find a domain for which the statement is true and a domain for which the statement is false. a) Everyone speaks Hindi. b) There is someone older than 21 years. c) Every two people have the same first name. d) Someone knows more than two other people.
ykrishnay
asked
in
Mathematical Logic
Mar 18, 2022
by
ykrishnay
1.5k
views
discrete-mathematics
propositional-logic
mathematical-logic
engineering-mathematics
kenneth-rosen
0
votes
2
answers
66
kenneth h rosen chapter 1 excercise 1.3
Show that (p → q) ∧ (q → r) and (p → r) is a logically equivalent to each other
ykrishnay
asked
in
Mathematical Logic
Feb 22, 2022
by
ykrishnay
564
views
discrete-mathematics
mathematical-logic
propositional-logic
engineering-mathematics
kenneth-rosen
0
votes
2
answers
67
kenneth h rosen chapter 1 excercise 1.3 question 47
Show that p NAND q is logically equivalent to ¬(p ∧ q). how to prove this and i prove using truth table which is easy but how to prove using logical identities ? thank you
ykrishnay
asked
in
Mathematical Logic
Feb 21, 2022
by
ykrishnay
514
views
discrete-mathematics
mathematical-logic
propositional-logic
engineering-mathematics
kenneth-rosen
0
votes
1
answer
68
Kenneth h rosen chapter 1 excercise 1.3 question 16
Each of Exercises 16-28 asks you to show that two compound propositions are logically equivalent. To do this, either show that both sides are true, or that both sides are false, for exactly the same combinations ... combinations of truth values of the propositional variables in these expressions i didnt understand what statement says please tell
ykrishnay
asked
in
Mathematical Logic
Feb 21, 2022
by
ykrishnay
883
views
discrete-mathematics
mathematical-logic
propositional-logic
engineering-mathematics
kenneth-rosen
0
votes
2
answers
69
Kenneth h rosen chapter 1 excercise 1.2 question 15 on page 23
Each inhabitant of a remote village always tells the truth or always lies. A villager will give only a Yes or a No response to a question a tourist asks. Suppose you are a tourist visiting this area and come ... say 'yes'? how this question arise and please explain the reason about this answer to above question thank you
ykrishnay
asked
in
Mathematical Logic
Feb 16, 2022
by
ykrishnay
693
views
discrete-mathematics
mathematical-logic
propositional-logic
engineering-mathematics
kenneth-rosen
0
votes
0
answers
70
Global and Local Minimum
Suppose that we have an objective function X ⊆ R^n → R and Y ⊂ X. Which of the following are correct: Every global minimizer of f in X is global minimizer in Y Every local minimizer of f in Y is local minimizer in X My answer is that 1) and 2) are correct. I want to check if my answers are correct or we can prove something other with some example.
AlgoHuman
asked
in
Calculus
Feb 13, 2022
by
AlgoHuman
265
views
calculus
engineering-mathematics
maxima-minima
0
votes
0
answers
71
Kenneth h roesn chapter-1 excercise 1.1 question 23's d) and e) question
in d. and e. i have a doubt can anyone resolve it ? doubt? d)It is necessary to walk 8 miles to get to the top of Long's Peak. if we compare with a necessary condition for p is q so i think it would ... famous. so it would be p→ q so (if get tenure as professor,then to be world famous) please resolve this confusion thank you
ykrishnay
asked
in
Mathematical Logic
Feb 13, 2022
by
ykrishnay
253
views
mathematical-logic
propositional-logic
discrete-mathematics
engineering-mathematics
0
votes
0
answers
72
(Solved now) Gateoverflow test doubt
In this question – https://gateoverflow.in/348646/Gate-overflow-linear-algebra-1-10 for $A=\begin{bmatrix} 0 & i\\ -i& 0 \end{bmatrix}$ how is (B) valid ?
o
asked
in
Linear Algebra
Jan 31, 2022
by
o
495
views
test-series
gateoverflow
linear-algebra
engineering-mathematics
2
votes
1
answer
73
Applied Grand Test 10
The Netherlands is one of the world leaders in the production and sale of tulips. Suppose the heights of the tulips in the green house of rotterdams fantastic flora follow a continuous uniform distribution with lower bound of 7 inches and upper bound ... greater than 10 inches may be selected. What is the probability that a randomly selected tulip is tall enough to pick ____
LRU
asked
in
Probability
Jan 27, 2022
by
LRU
477
views
test-series
engineering-mathematics
probability
uniform-distribution
0
votes
1
answer
74
linear algebra - eigenvalues
What are the eigenvalues of the following matrix?
atulcse
asked
in
Linear Algebra
Jan 13, 2022
by
atulcse
390
views
linear-algebra
eigen-value
matrix
engineering-mathematics
0
votes
0
answers
75
made easy test series - linear algebra
If 2 and -4 are the eigenvalues of a non-singular matrix A and |A| = -8, then the eigenvalues of adj(A) are x and -y. What is the value of x+y?
atulcse
asked
in
Linear Algebra
Jan 13, 2022
by
atulcse
391
views
linear-algebra
engineering-mathematics
made-easy-test-series
eigen-value
0
votes
1
answer
76
combinatorics
How many 5-digit even numbers have all digits distinct?
atulcse
asked
in
Combinatory
Jan 12, 2022
by
atulcse
309
views
combinatory
discrete-mathematics
engineering-mathematics
counting
0
votes
1
answer
77
Applied Mock Test
Among individuals who have sustained head injuries, x-rays reveal that only about 6% have skull fractures. Nausea is a standard symptom of a skull fracture and occurs in 98% of all skull fracture cases with other types of head injuries, nausea is present ... an individual who has just suffered a head injury is not nauseous. Find the probability that he has a skull fracture _____
LRU
asked
in
Probability
Dec 29, 2021
by
LRU
376
views
test-series
probability
engineering-mathematics
1
vote
0
answers
78
Self doubt: what are eigen values of resultant matrix when add two matrices?
if eigen values of matrix A = a,b,c if eigen values of matrix B = x,y,z then is it holds every time that eigen value of A+B = a+x, b+y, c+z ? please give some reference to you answer, thankyou.
jaswanth431
asked
in
Linear Algebra
Dec 12, 2021
by
jaswanth431
245
views
engineering-mathematics
eigen-value
linear-algebra
matrix
0
votes
0
answers
79
NIELIT STA 2021
Let X be uniform random variable on [0,4] and Y be uniform random variable on [0,1]. If X and Y are independent, then P(max [X,Y] > 3) is equal to: 1 / 4 1 / 2 1 / 8 1
rsansiya111
asked
in
Linear Algebra
Dec 6, 2021
by
rsansiya111
212
views
engineering-mathematics
0
votes
0
answers
80
Engineering mathematics questions
I feel i am weak in engineering mathematics, that's why I want to solve EM previous year questions of other branches, can someone share any pdf or any link with those questions. I will be helpful for my preparation. Thank you
jaswanth431
asked
in
Mathematical Logic
Dec 4, 2021
by
jaswanth431
169
views
engineering-mathematics
0
votes
1
answer
81
#GATECSE
Most of the online video materials that I've come across for Engineering Mathematics are mainly focused on question-solving. They don't clear out the basic concepts, without which it's quite difficult to gain proficiency in problem-solving. What is the ... follow for engineering mathematics with respect to GATE CS/IT branch? or any other source where the basic concepts will get cleared.
dutta007sourish
asked
in
Probability
Dec 1, 2021
by
dutta007sourish
461
views
engineering-mathematics
0
votes
2
answers
82
Calculus self doubt
Calculus looks difficult for me. Any resources to learn calculus for GATE
kabilan45
asked
in
Calculus
Nov 25, 2021
by
kabilan45
500
views
engineering-mathematics
calculus
self-doubt
3
votes
1
answer
83
Applied Test Series
What is the value of the determinant ?
LRU
asked
in
Linear Algebra
Nov 13, 2021
by
LRU
597
views
test-series
engineering-mathematics
determinant
3
votes
3
answers
84
Applied Test Series
The number of possible ways in which 5 identical helicopters can take off given that we are having 5 helipads.____
LRU
asked
in
Combinatory
Nov 9, 2021
by
LRU
472
views
test-series
engineering-mathematics
discrete-mathematics
combinatory
1
vote
1
answer
85
Applied Test Series
There are 4 parts of an encyclopedia which are available in a library which are arranged on the shelf along with other books on a shelf which add up to a total 25 books, if the books are arranged randomly then the number of ways in which the encyclopedia is in the correct order is (the parts need not be beside each other)____
LRU
asked
in
Combinatory
Nov 9, 2021
by
LRU
309
views
test-series
engineering-mathematics
discrete-mathematics
combinatory
0
votes
1
answer
86
self doubt
Can anybody please tell what is the subjects fall under discrete and engineering mathematics for gate cse
samarpita
asked
in
Mathematical Logic
Nov 8, 2021
by
samarpita
220
views
engineering-mathematics
2
votes
1
answer
87
Applied Test Series
A final exam is a discrete mathematics course consisting of 20 true-false questions, each worth 3 points and 10 multiple choice questions, each worth 4 points. Suppose that the probability that a student gives a correct answer to a true-false question is ... student gives a correct answer to a multiple choice question is 0.8. What is student expected score on the final exam___
LRU
asked
in
Probability
Nov 7, 2021
by
LRU
535
views
test-series
engineering-mathematics
probability
expectation
5
votes
4
answers
88
Applied Test Series
Consider the system of equations x+y+z=3 x+2y+3z=4 x+4y+kz=6 The above system of equations will not have a unique solution for k equals to___
LRU
asked
in
Linear Algebra
Nov 5, 2021
by
LRU
972
views
test-series
engineering-mathematics
linear-algebra
system-of-equations
0
votes
0
answers
89
Applied Test Series
What is the correct procedure to solve this limit ?
LRU
asked
in
Calculus
Nov 5, 2021
by
LRU
316
views
test-series
engineering-mathematics
calculus
limits
2
votes
2
answers
90
Applied Test Series
A large bowl contains 15 balls that are identical except for their colors 6 are colored red, 5 are colored blue and 4 are colored green. What is the probability that two balls selected at random from the bowl have the same color_____
LRU
asked
in
Probability
Nov 5, 2021
by
LRU
380
views
test-series
engineering-mathematics
probability
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