Question

i) F o r t h e f o l l o w I n g f i n d t h e ( c o m p. E x p.) f o u r I e r s e r i e s f o r x( t )

I I ) D r a w t h e am p &. P h a s e s p e c t r a

I I I ) T o t a l a v g p o w e r

x ( t) = -5 +9 sin(6*pi*t- pi/4) +3 c o s(12*pi*t) + sqrt(7) * e^(j24*pi*t)

Answer #1

Consider permutations of the 26-character lowercase alphabet
Σ={a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z}.
In how many of these permutations do
a,b,c occur consecutively and in that
order?
In how many of these permutations does a appear before
b and b appear before c?

Suppose that L ={F, H, S, T, I, G, E, R} and N = {3, 1, 7}. A
code consists of 3 different symbols selected from L followed by 2
not necessarily different symbols from N. How many different codes
are possible?

Read the following cases and decide the right
supplement for each case. Highlight the supplement name by finding
the word from the given box. Follow the given
example:
Example: Naif
has an infection. He needs an antibiotic
Maryam cannot digest milk. She needs to have ___lactase______
supplements
Majid is overweight. He decided to buy _________ supplements to
help him lose weight.
Muntaha’s nails always breaks so easily. She wants to get
_________ supplements.
Munther face looks older than his age....

(a) Construct a 2 - 3 tree for the list f,l,o,w,c,h,a,r,t,i,n,g.
Use the alphabetical order of the letters to compare them and
insert them successively starting with the empty tree.
(b) Assuming that the probabilities of searching for each of the
keys (i.e., the letters) are the same, find the largest number and
the average number of key comparisons for successful searches in
this tree.

2. Let A = {p, q, r, s}, B = {k, l, m, n}, and C = {u, v, w},
Define f : A→B by f(p) = m, f(q) = k, f(r) = l, and f(s) = n, and
define g : B→C by g(k) = v, g(l) = w, g(m) = u, and g(n) = w. Also
define h : A→C by h = g ◦ f. (a) Write out the values of h. (b) Why
is it that...

Write a program of wordSearch puzzle that use
the following text file as an input. The output should be like
this: PIXEL found (left) at (0,9). ( Use
JAVA Array ) .Please do not use
arrylist and the likes!
Hints
• The puzzle can be represented as a right-sized two-dimensional
array of characters (char).
• A String can be converted into a right-sized array of characters
via the String method toCharArray.
. A word can occur in any of 8...

A student would like to assess whether the mean amount of money
spent on books during the 2016-2017 school year is equal for all
students in each of the four class ranks at California University
(1: Freshmen, 2: Sophomores, 3: Juniors, 4: Seniors). To conduct
this study, the student took a large random sample of students at
California University and recorded for each student the total
amount of money spent on books during the 2016-2017 school year and
the class...

Let S = {A, B, C, D, E, F, G, H, I, J} be the set consisting of
the following elements:
A = N, B = 2N , C = 2P(N) , D = [0, 1), E = ∅, F = Z × Z, G = {x
∈ N|x 2 + x < 2}, H = { 2 n 3 k |n, k ∈ N}, I = R \ Q, J =
R.
Consider the relation ∼ on S given...

(a) Construct a 2−3 tree for the list f,l,o,w,c,h,a,r,t,i,n,g.
Use the alphabetical order of the letters to compare them and
insert them successively starting with the empty tree.
(b) Assuming that the probabilities of searching for each of the
keys (i.e., the letters) are the same, find the largest number and
the average number of key comparisons for successful searches in
this tree.
Full description plz

10.-Construct a connected bipartite graph that is not a tree
with vertices Q,R,S,T,U,V,W.
What is the edge set?
Construct a bipartite graph with vertices Q,R,S,T,U,V,W such
that the degree of S is 4.
What is the edge set?
12.-Construct a simple graph with vertices F,G,H,I,J that has an
Euler trail, the degree of F is 1 and the degree of G is 3.
What is the edge set?
13.-Construct a simple graph with vertices L,M,N,O,P,Q that has
an Euler circuit...

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