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Recent activity by pilluverma123
2
answers
1
Recurrence Relation
Let $T(n) = T(n-1) + \frac{1}{n} , T(1) = 1 ;$ then $T(n) = ? $ $O(n^{2})$ $O(logn)$ $O(nlogn)$ $O(n^{2}logn)$
commented
in
Combinatory
Oct 5, 2018
1.5k
views
discrete-mathematics
recurrence-relation
relations
1
answer
2
compile design from university papers
answered
in
Compiler Design
Apr 15, 2018
349
views
compiler-design
syntax-directed-translation
reference-book
test-series
1
answer
3
Self Doubt
if we have $n$ consecutive $1s$ in binary then its magnitude is $2^n -1$ similarly ,do we have any short cut like ,if we have $n$ consecutive $1s$ after a decimal point then the magnitude will be $1-2^n$ ?
commented
in
Digital Logic
Mar 25, 2018
552
views
easy
digital-logic
number-representation
2
answers
4
Self Doubt
Q1. Find 1's and 2's complement of decimal number of 15 Q2. Find 1's and 2's complement of decimal number of -15 Answer with Explanation will be welcomed. :)
commented
in
Digital Logic
Mar 25, 2018
2.7k
views
digital-logic
2
answers
5
Made easy workbook
Two trains separated by $480 \hspace{0.1cm}km$ are approaching each other with speed $70\hspace{0.1cm}kmph$ and $50\hspace{0.1cm}kmph$ respectively. A bird with speed $100\hspace{0.1cm} km/hr$ started from the front of first train goes to the front of second train and ... covered by the bird!? $500\hspace{0.1cm}km$ $400\hspace{0.1cm}km$ $480\hspace{0.1cm}km$ $600\hspace{0.1cm}km$
answered
in
Quantitative Aptitude
Mar 25, 2018
2.5k
views
general-aptitude
speed-time-distance
1
answer
6
Made easy workbook
In a $200m$ race,$A$ beats $B$ by $20m$.B beates $C$ by $10m$ in a $250m$ race.By how many meters will $A$ beat $C$ in a $1 km$ race?
commented
in
Quantitative Aptitude
Mar 25, 2018
315
views
3
answers
7
Made easy workbook
If $A$ and $B$ run at $6km/hr$ and $12 km/hr$ on a circular track $6 km$ long.When will they meet for the first time if they are running in opposite direction?
answered
in
Quantitative Aptitude
Mar 25, 2018
631
views
general-aptitude
speed-time-distance
circular-motion
1
answer
8
Ee gate 2008
Let $P$ be a $2$ x $2$ real orthogonal matrix and ${\vec{x}}$ is a real vector $[x_1,x_2]^T$ with length $||{\vec{x}}||$ = ${(x_1^2 + x_2^2)^{1/2}}$. Then which one of the following statements is correct? A. $||P{\vec{x}}||$ $\leq$ $||{\vec{x}}||$ where ... satisfies $||P{\vec{x}}||$ >$||{\vec{x}}||$ D. No relationship can be established between$||{\vec{x}}||$ and $||P{\vec{x}}||$
commented
in
Linear Algebra
Mar 11, 2018
1.8k
views
gate2008-ee
engineering-mathematics
matrix
vector-space
1
answer
9
Testbook:matrix
answered
in
Linear Algebra
Mar 4, 2018
422
views
engineering-mathematics
matrix
1
answer
10
Power of Pushdown Machines
Which is more powerful :- 2-way Non-Deterministic Pushdown Machine(NDPDM) or 2-way Deterministic Pushdown Machine(DPDM) ? (or) Do both machine models have the same power ?
answered
in
Theory of Computation
Mar 4, 2018
710
views
theory-of-computation
pushdown-automata
dpda
npda
1
answer
11
IE Gate 2007
Let $A$ = $[a_{ij}]$, $1{\leq}i$, $j{\leq}n$, with $n{\geq}3$ and $a_{ij}$ = $i.j$. Then the rank of $A$ is A. $0$ B. $1$ C. $n-1$ D. $n$
answered
in
Linear Algebra
Mar 4, 2018
487
views
engineering-mathematics
rank-of-matrix
1
answer
12
IE Gate 2009
Let P ≠ 0 be a 3 × 3 real matrix. There exist linearly independent vectors x and y such that Px = 0 and Py = 0. The dimension of the range space of P is [IE: GATE-2009] (a) 0 (b) 1 (c) 2 (d) 3
answer edited
in
Linear Algebra
Mar 4, 2018
2.2k
views
linear-algebra
matrix
1
answer
13
linear algebra
A is m×n full rank matrix with m>n and 1 is an identity matrix. Let matrix A’ = (ATA)-1 AT. Then which one of the following statement is FALSE? (a) AA’A = A (b) (AA’)2 (c) AA’A = 1 (d) AA’A = A’
commented
in
Linear Algebra
Mar 3, 2018
2.2k
views
linear-algebra
matrix
2
answers
14
linear algebra
If w cube root of – 1, then find value of deteminant [1 −w w2] [ −w w2 1 ] [ w2 1 w ]
answered
in
Linear Algebra
Mar 3, 2018
493
views
linear-algebra
matrix
1
answer
15
Postfix and Prefix operator in C
Q)If a is 15, then what would be the value of: printf("%d , %d , %d , %d ", ++a , a++, --a , a--); A)16,16,16,16 B)15,13,15,15 C)16,15,14,14 D)16,16,14,14
answered
in
Programming in C
Mar 2, 2018
2.3k
views
programming-in-c
1
answer
16
GATE Linear Algebra
For what values of $\lambda$ the system of equations will have $2$ linear independent solutions - $x + y + z = 0$ $(\lambda + 1) y + (\lambda + 1) z = 0$ ($\lambda^{2}- 1) z = 0$ ... of matrix will be $1$. Can anyone please explain in simple why the rank of matrix should be $1$ if we need $2$ Linear Independent solution. Thankyou.
asked
in
Linear Algebra
Mar 2, 2018
1.2k
views
numerical-answers
linear
algebra
system
of
system-of-equations
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