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1
ISI2014-DCG-13
Let the function $f(x)$ be defined as $f(x)=\mid x-1 \mid + \mid x-2 \:\mid$. Then which of the following statements is true? $f(x)$ is differentiable at $x=1$ $f(x)$ is differentiable at $x=2$ $f(x)$ is differentiable at $x=1$ but not at $x=2$ none of the above
answered
in
Calculus
Oct 14, 2019
541
views
isi2014-dcg
calculus
differentiation
0
answers
2
ME TEST
How is g(x) is many one ?
commented
in
Set Theory & Algebra
Dec 20, 2018
235
views
made-easy-test-series
0
answers
3
MADE EASY
Consider an array A[100] and each element occupies 4 word a 32-word cache is used and divided into an 8-word block What is the hit ratio for for(i=0;i<100;i++) x=A[i]+100; No of time block 0 is modified.
commented
in
CO and Architecture
Dec 20, 2018
475
views
co-and-architecture
array
4
answers
4
GATE CSE 2018 | Question: 52
Given a language $L$, define $L^i$ as follows:$L^0 = \{ \varepsilon \}$$L^i = L^{i-1} \bullet L \text{ for all } I >0$The order of a language $L$ is defined as the smallest $k$ such that $L^k = L^{k+1}$. Consider the language $L_1 ($over alphabet $0)$ accepted by the following automaton. The order of $L_1$ is ________.
commented
in
Theory of Computation
Oct 5, 2018
20.5k
views
gatecse-2018
theory-of-computation
numerical-answers
regular-language
2-marks
0
answers
5
Gate Preparation
Are there resources for formulae of each subject of gate CSE?
commented
in
GATE
Aug 26, 2018
1.2k
views
gate-preparation
study-resources
0
answers
6
Integration
$f\left ( x \right )=$\int_{-2}^{2}x^{-\frac{2}{7}}dx$ Is this function f(x) is continuous, bounded and differentiable? (In exam hall is it possible to draw the graph for this function f(x), or some other procedure to follow to ans this)
commented
in
Calculus
May 20, 2018
1.7k
views
integration
0
answers
7
C (strlen)
In this question the length of a given string is given as 12 in the solution but it should be 11 as strlen function exclude null value and give the length.Please give the correct answer to this question?
commented
in
Programming in C
May 19, 2018
495
views
2
answers
8
Peter Linz Edition 4 Exercise 2.1 Question 21 (Page No. 48)
Let L be the language accepted by the automaton $L = ${$(a^{n})b:n≥0$}. Find a dfa that accepts the language $L^{2} - L$.
commented
in
Theory of Computation
May 5, 2018
715
views
theory-of-computation
regular-language
peter-linz
peter-linz-edition4
finite-automata
grammar
0
answers
9
Test Series
What is the output.My doubt is : What is meant by call by copy restore ? is it same as call by reference or there is some difference ?
commented
in
Programming in C
May 5, 2018
394
views
programming-in-c
parameter-passing
1
answer
10
Binary Tree
What is the number of binary trees with 4 nodes which when traversed in pre-order gives the sequence 1,2,3,4?
commented
in
DS
Mar 22, 2018
709
views
data-structures
binary-tree
2
answers
11
finite automata
Draw the DFA for (a*b +b*a)
answer selected
in
Theory of Computation
Mar 17, 2018
554
views
theory-of-computation
finite-automata
1
answer
12
Calculate Eigen Vector And Eigen Value
This matrix is singular with rank one. Find three $λ$’s and three eigenvectors. $\begin{bmatrix}1\\2 \\1 \end{bmatrix}$ $\begin{bmatrix}2&1 &2 \end{bmatrix}$ = $\begin{bmatrix}2 & 1 &2\\4 & 2 & 4\\2 & 1 &2\end{bmatrix}$
commented
in
Linear Algebra
Mar 17, 2018
1.6k
views
engineering-mathematics
linear-algebra
eigen-value
1
answer
13
Peter Linz Edition 4 Exercise 3.1 Question 10 (Page No. 76)
Give a regular expression for L = $\left \{a^{n}b^{m};n\geq 1,m \geq 1,nm \geq3 \right \}$
commented
in
Theory of Computation
Mar 14, 2018
2.2k
views
theory-of-computation
peter-linz
peter-linz-edition4
regular-expression
1
answer
14
Peter Linz Edition 4 Exercise 3.1 Question 9 (Page No. 76)
Give a regular expression for $L^{R}$ L = $(a+bc)^{*}(c+\phi)$
commented
in
Theory of Computation
Mar 14, 2018
349
views
theory-of-computation
regular-language
peter-linz
peter-linz-edition4
regular-expression
1
answer
15
Peterlinz question
Please write grammar for it and explain with example. $L=\{w \: : n_a(w) > n_b(w) \}$
commented
in
Theory of Computation
Mar 4, 2018
415
views
grammar
theory-of-computation
1
answer
16
Aptitude Doubt
In the following figure, side QS is congruent to side SP, RPQ=50o and PSR=600 Then among P,Q,R,S , which two angles are equal?
commented
in
Quantitative Aptitude
Mar 4, 2018
412
views
quantitative-aptitude
general-aptitude
0
answers
17
Peter linz exercise 2.1
$\sum = \left \{ a,b \right \}$ Is it possible to create DFA for given language with less than 10 states? L = $\left \{ w: \left | w \right | mod 3 = 0, \left |w \right | \neq 6 \right \}$
commented
in
Theory of Computation
Mar 4, 2018
463
views
theory-of-computation
finite-automata
1
answer
18
Eigen value of the following matrix
The eigen value of the following matrix is $\begin{bmatrix}1&1&1\\1&1&1\\1&1&1\end{bmatrix}$ $1, 1, 1$ $1, 0, 0$ $3, 0, 0$ $0, 0, 0$
answer selected
in
Linear Algebra
Mar 2, 2018
792
views
eigen-value
matrix
1
answer
19
Finding whether given languages are regular or context free
Given $L_1=\{a^nb^nc^n | n\geq 0\}$ $L_2 =\{a^nb^mc^k|k=n+m \text{ and }n,m\geq 0 \}$ $L_3 =\{a^nb^mc^k|n,m,k \geq 0 \}$ Assume $L_4=L_1 (L_3)^*$ $L_5=(L_1\cap L_2)\cup L_3 $ Which of the following ... is regular and L5 is not regular B. L4 is CFL and L5 is not CFL C. Both L4, L5 are regular D. Both L4, L5 are CFL but not regular
commented
in
Theory of Computation
Mar 2, 2018
517
views
regular-language
context-free-language
1
answer
20
C programming
#include<stdio.h> int main() { printf("%d\n",1==5==5); printf("%d\n",1==5!=5); printf("%d\n",1!=5!=5); printf("%d\n",1!=5==5); return 0; } What is the output?
commented
in
Programming in C
Mar 1, 2018
477
views
programming-in-c
output
8
answers
21
GATE CSE 2018 | Question: 15
Two people, $P$ and $Q$, decide to independently roll two identical dice, each with $6$ faces, numbered $1$ to $6$. The person with the lower number wins. In case of a tie, they roll the dice repeatedly until there is no tie. Define a ... and that all trials are independent. The probability (rounded to $3$ decimal places) that one of them wins on the third trial is ____
commented
in
Probability
Mar 1, 2018
10.8k
views
gatecse-2018
probability
normal
numerical-answers
1-mark
0
answers
22
which of the following are true
1. $L' = \sum^*−L$ for any language $L$ 2. $L=\{a^ma^nb^n\mid m>0 , n>0 \}$ is DCFL 3. If a language is closed under complement,difference then it is closed under intersection since $L1 - L2' = L1 \cap L2$
commented
in
Theory of Computation
Feb 25, 2018
503
views
theory-of-computation
4
answers
23
Number of binary search trees
How many different binary search trees can be constructed using six distinct keys? 256 128 132 264
commented
in
DS
Feb 25, 2018
6.6k
views
binary-tree
binary-search
binary-search-tree
1
answer
24
Mathematics GATE 2018 EE: 11
Let $f$ be a real-valued function of a real variable defined as $f(x) = x^{2}$ for $x\geq0$ and $f(x) = -x^{2}$ for $x < 0$.Which one of the following statements is true? $f(x) \text{is discontinuous at x = 0}$ ... $f(x) \text{is differentiable but its first derivative is not differentiable at x = 0} $
comment edited
in
Calculus
Feb 21, 2018
3.0k
views
gate2018-ee
engineering-mathematics
calculus
continuity
differentiation
1
answer
25
GATE2018 EE: GA-5
Functions $F(a, b)$ and $G(a, b)$ are defined as follows: $F(a, b) = (a − b)^2$ and $G(a, b) = \mid a − b\mid$, where $\mid x \mid$ represents the absolute value of $x$. What would be the value of $G(F(1, 3), G(1, 3))$? $2$ $4$ $6$ $36$
answered
in
Quantitative Aptitude
Feb 21, 2018
1.7k
views
gate2018-ee
general-aptitude
quantitative-aptitude
easy
functions
2
answers
26
GATE CSE 1988 | Question: 2ix
What is the type of the language $L$, where $L=\{a^n b^n \mid 0 < n < 327 \text{-th prime number} \}$
commented
in
Theory of Computation
Feb 21, 2018
2.9k
views
gate1988
normal
descriptive
theory-of-computation
identify-class-language
0
answers
27
Given a binary search trees for a set of n=5 keys with thei 0 1 2 3 4 5
closed
in
IS&Software Engineering
Feb 21, 2018
314
views
11
answers
28
GATE IT 2007 | Question: 30
Suppose you are given an implementation of a queue of integers. The operations that can be performed on the queue are: $isEmpty (Q)$ - returns true if the queue is empty, false otherwise. $delete (Q)$ - deletes the element at the front of the queue ... the front of the queue $Q$ and inserts it at the rear keeping the other elements in the same order Empties the queue $Q$
commented
in
DS
Feb 19, 2018
16.1k
views
gateit-2007
data-structures
queue
normal
1
answer
29
Peter Linz Edition 4 Exercise 2.1 Question 7.e (Page No. 47)
Please help in creating the DFA for (na (w)-nb (w))mod 3>0
commented
in
Theory of Computation
Feb 19, 2018
1.2k
views
theory-of-computation
peter-linz
peter-linz-edition4
finite-automata
0
answers
30
Sheldon Ross
Determine the number of vectors $\{x_{1}...x_{n}\}$, such that each $x_{i}$ is either $0$ or $1$ and $\displaystyle{\sum_{i=1}^{n}x_{i}\geq k}$
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in
Combinatory
Feb 19, 2018
608
views
sheldon-ross
combinatory
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