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Recent questions in Discrete Mathematics
1
vote
1
answer
5121
Combinatories
KISHALAY DAS
asked
in
Combinatory
Oct 28, 2016
by
KISHALAY DAS
509
views
1
vote
2
answers
5122
Lattice
KISHALAY DAS
asked
in
Set Theory & Algebra
Oct 28, 2016
by
KISHALAY DAS
948
views
0
votes
1
answer
5123
Made easy test
Let G be a planar graph such that every face is bounded by exactly three edges. What are the possible values for chrmatic number of G? a) 3 or 4 b)only 4 c)only 3 d) none
GATE2017TP
asked
in
Mathematical Logic
Oct 28, 2016
by
GATE2017TP
229
views
2
votes
1
answer
5124
Discrete Math-Function
Consider a function f:A->B is bijective ..which of the following is INCORRECT? a)f-1 :B->A exist b)f-1 : B->A unique c)f-1 is bijective d) None of these
Aboveallplayer
asked
in
Set Theory & Algebra
Oct 27, 2016
by
Aboveallplayer
1.1k
views
functions
2
votes
1
answer
5125
TestBook Test Series: Combinatory - Permutations And Combinations
What is the number of possible bit string of length 7 where number of 1's are more compared to number of 0's?? NOTE: i know any bit string question can be solved using tree diagram..here it will be hell lengthy.. ... way. OR What is the number of possible bit string of length 7 where number of 1's is atleast four ?
Aboveallplayer
asked
in
Combinatory
Oct 27, 2016
by
Aboveallplayer
391
views
testbook-test-series
engineering-mathematics
discrete-mathematics
combinatory
0
votes
0
answers
5126
Engineering mathematics - Calculus
How can we find the natural logarithm of a vector?
nandhugnair
asked
in
Mathematical Logic
Oct 26, 2016
by
nandhugnair
381
views
2
votes
0
answers
5127
Graph theory
Decomposition of complete graph into cycles through all vertices. Continuing explanation [here][1], Next explanation is given as for $n=5$ , $n=7$ ... me out!! [1]: http://math.stackexchange.com/questions/1985647/decomposition-of-complete-graph-into-cycles-through-all-vertices/1985652#1985652
Anand.
asked
in
Graph Theory
Oct 26, 2016
by
Anand.
416
views
graph-theory
graph-connectivity
0
votes
0
answers
5128
Inverse of a function
closed
KISHALAY DAS
asked
in
Set Theory & Algebra
Oct 26, 2016
by
KISHALAY DAS
246
views
0
votes
1
answer
5129
Combinatorics
A Sequence of nos. $<1, 2, 3, 4, ..... 10 $> is permuted randomly. What is the probability that all odd nos. appear before all even nos. I am getting $\frac{5! * 5!}{10!}$, is it correct
vivek9837
asked
in
Combinatory
Oct 26, 2016
by
vivek9837
289
views
combinatory
discrete-mathematics
probability
2
votes
1
answer
5130
matrix multiplication
consider 3 matrices A[100*200] B[200*50]] C[50*30] Suppose a computer takes 1) 1 microsecond to multiply 2 numbers. 2) almost 0 second to perform Addition. Then find out how much time the computer will take to Multiply matrices in All possible ways. Assume the ... to be continuous without any time delay. options are-- 1) 0.5 seconds 2) 1.5 seconds 3) 2 seconds 4) 3 seconds
Lone Wolf
asked
in
Mathematical Logic
Oct 25, 2016
by
Lone Wolf
988
views
0
votes
0
answers
5131
Discreate Math
What is even and odd permuatation function ? I saw some where (1,2,3) broken into even permutaion of (1,3) , (1,2) what is the logic behind it? PLz give reffrence too.
Prashant.
asked
in
Mathematical Logic
Oct 25, 2016
by
Prashant.
255
views
graph-theory
0
votes
1
answer
5132
#recurrence relation
Find the recurrence relation for the number of binary strings not containing two consecutive zeros or two consecutive ones.
Geet
asked
in
Mathematical Logic
Oct 23, 2016
by
Geet
718
views
recurrence-relation
0
votes
0
answers
5133
rosen 7e function 2.3 q4
Find the domain and range of these functions. Note that in each case, to find the domain, determine the set of elements assigned values by the function. a) the function that assigns to each nonnegative integer its last digit b) the function that assigns the ... the number of one bits in the string d) the function that assigns to a bit string the number of bits in the string
Pravin Paikrao
asked
in
Set Theory & Algebra
Oct 23, 2016
by
Pravin Paikrao
490
views
2
votes
1
answer
5134
mathematics
dileswar sahu
asked
in
Combinatory
Oct 22, 2016
by
dileswar sahu
237
views
1
vote
1
answer
5135
mathematics
dileswar sahu
asked
in
Graph Theory
Oct 22, 2016
by
dileswar sahu
283
views
0
votes
0
answers
5136
mathematics
dileswar sahu
asked
in
Combinatory
Oct 22, 2016
by
dileswar sahu
171
views
2
votes
1
answer
5137
mathematics
dileswar sahu
asked
in
Set Theory & Algebra
Oct 22, 2016
by
dileswar sahu
461
views
discrete-mathematics
propositional-logic
1
vote
1
answer
5138
mathematics
TRUE/FALSE? There exist two uncountable sets such that their intersection is countably infinite. PLZ someone give one example.......
dileswar sahu
asked
in
Set Theory & Algebra
Oct 22, 2016
by
dileswar sahu
1.4k
views
2
votes
1
answer
5139
mathematics
dileswar sahu
asked
in
Set Theory & Algebra
Oct 22, 2016
by
dileswar sahu
466
views
0
votes
1
answer
5140
Kenneth Rosen Edition 6th Exercise 6.6 Question 26 (Page No. 457)
How many derangements of (1 2 3 4 5 6 ) end with integer 1 2 and 3 in some order ?
Dexter
asked
in
Combinatory
Oct 21, 2016
by
Dexter
2.7k
views
kenneth-rosen
discrete-mathematics
combinatory
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