Basic Technical Mathematics
11th Edition
ISBN: 9780134437705
Author: Washington
Publisher: PEARSON
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Chapter 30.3, Problem 20E
To determine
The Maclaurin expansion of
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Module Code: MATH380202
3. (a) Let {} be a white noise process with variance σ2.
Define an ARMA(p,q) process {X} in terms of {+} and state (without proof)
conditions for {X} to be (i) weakly stationary and (ii) invertible.
Define what is meant by an ARIMA (p, d, q) process. Let {Y} be such an ARIMA(p, d, q)
process and show how it can also be represented as an ARMA process, giving the
AR and MA orders of this representation.
(b) The following tables show the first nine sample autocorrelations and partial auto-
correlations of X and Y₁ = VX+ for a series of n = 1095 observations. (Notice
that the notation in this part has no relationship with the notation in part (a) of
this question.)
Identify a model for this time series and obtain preliminary estimates for the pa-
rameters of your model.
X₁
= 15.51, s² = 317.43.
k
1
2
3
4
5
6
7
Pk
0.981
0.974
0.968
akk 0.981 0.327
8
9
0.927
0.963 0.957 0.951 0.943 0.935
0.121 0.104 0.000 0.014 -0.067 -0.068 -0.012
Y₁ = VX : y = 0.03, s² = 11.48.
k
1…
Let G be a graph with n ≥ 2 vertices x1, x2, . . . , xn, and let A be the adjacency matrixof G. Prove that if G is connected, then every entry in the matrix A^n−1 + A^nis positive.
Module Code: MATH380202
1. (a) Define the terms "strongly stationary" and "weakly stationary".
Let {X} be a stochastic process defined for all t € Z. Assuming that {X+} is
weakly stationary, define the autocorrelation function (acf) Pk, for lag k.
What conditions must a process {X+) satisfy for it to be white noise?
(b) Let N(0, 1) for t€ Z, with the {+} being mutually independent. Which of
the following processes {X+} are weakly stationary for t> 0? Briefly justify your
answers.
i. Xt for all > 0.
ii. Xo~N(0,) and X₁ = 2X+-1+ &t for t > 0.
(c) Provide an expression for estimating the autocovariance function for a sample
X1,..., X believed to be from a weakly stationary process. How is the autocor-
relation function Pk then estimated, and a correlogram (or acf plot) constructed?
(d) Consider the weakly stationary stochastic process ✗+ = + + +-1+ +-2 where
{E} is a white noise process with variance 1. Compute the population autocorre-
lation function Pk for all k = 0, 1, ....
Chapter 30 Solutions
Basic Technical Mathematics
Ch. 30.1 - Prob. 1PECh. 30.1 - Prob. 2PECh. 30.1 - Prob. 1ECh. 30.1 - Prob. 2ECh. 30.1 - Prob. 3ECh. 30.1 - Prob. 4ECh. 30.1 - Prob. 5ECh. 30.1 - Prob. 6ECh. 30.1 - Prob. 7ECh. 30.1 - Prob. 8E
Ch. 30.1 - Prob. 9ECh. 30.1 - Prob. 10ECh. 30.1 - Prob. 11ECh. 30.1 - Prob. 12ECh. 30.1 - Prob. 13ECh. 30.1 - Prob. 14ECh. 30.1 - Prob. 15ECh. 30.1 - Prob. 16ECh. 30.1 - Prob. 17ECh. 30.1 - Prob. 18ECh. 30.1 - Prob. 19ECh. 30.1 - Prob. 20ECh. 30.1 - Prob. 21ECh. 30.1 - Prob. 22ECh. 30.1 - Prob. 23ECh. 30.1 - Prob. 24ECh. 30.1 - Prob. 25ECh. 30.1 - Prob. 26ECh. 30.1 - Prob. 27ECh. 30.1 - Prob. 28ECh. 30.1 - Prob. 29ECh. 30.1 - Prob. 30ECh. 30.1 - Prob. 31ECh. 30.1 - Prob. 32ECh. 30.1 - Prob. 33ECh. 30.1 - Prob. 34ECh. 30.1 - Prob. 35ECh. 30.1 - Prob. 36ECh. 30.1 - Prob. 37ECh. 30.1 - Prob. 38ECh. 30.1 - Prob. 39ECh. 30.1 - Prob. 40ECh. 30.1 - Prob. 41ECh. 30.1 - In Exercises 39–48, solve the given problems as...Ch. 30.1 - Prob. 43ECh. 30.1 - Prob. 44ECh. 30.1 - In Exercises 39–48, solve the given problems as...Ch. 30.1 - Prob. 46ECh. 30.1 - Prob. 47ECh. 30.1 - Prob. 48ECh. 30.2 - Find the first four terms of the Maclaurin series...Ch. 30.2 - Prob. 1ECh. 30.2 - Prob. 2ECh. 30.2 - Prob. 3ECh. 30.2 - Prob. 4ECh. 30.2 - Prob. 5ECh. 30.2 - Prob. 6ECh. 30.2 - Prob. 7ECh. 30.2 - Prob. 8ECh. 30.2 - Prob. 9ECh. 30.2 - Prob. 10ECh. 30.2 - Prob. 11ECh. 30.2 - Prob. 12ECh. 30.2 - Prob. 13ECh. 30.2 - Prob. 14ECh. 30.2 - Prob. 15ECh. 30.2 - Prob. 16ECh. 30.2 - Prob. 17ECh. 30.2 - Prob. 18ECh. 30.2 - Prob. 19ECh. 30.2 - Prob. 20ECh. 30.2 - Prob. 21ECh. 30.2 - Prob. 22ECh. 30.2 - Prob. 23ECh. 30.2 - Prob. 24ECh. 30.2 - Prob. 25ECh. 30.2 - Prob. 26ECh. 30.2 - Prob. 27ECh. 30.2 - In Exercises 21–28, find the first two nonzero...Ch. 30.2 - Prob. 29ECh. 30.2 - Prob. 30ECh. 30.2 - In Exercises 29–44, solve the given problems.
Is...Ch. 30.2 - In Exercises 29–44, solve the given problems.
Is...Ch. 30.2 - Prob. 33ECh. 30.2 - Prob. 34ECh. 30.2 - Prob. 35ECh. 30.2 - Prob. 36ECh. 30.2 - In Exercises 29–44, solve the given problems.
The...Ch. 30.2 - Prob. 38ECh. 30.2 - Prob. 39ECh. 30.2 - Prob. 40ECh. 30.2 - Prob. 41ECh. 30.2 - Prob. 42ECh. 30.2 - Prob. 43ECh. 30.2 - Prob. 44ECh. 30.3 - Using the Maclaurin series for ln(1 + x), find the...Ch. 30.3 - Prob. 2PECh. 30.3 - Prob. 1ECh. 30.3 - Prob. 2ECh. 30.3 - Prob. 3ECh. 30.3 - Prob. 4ECh. 30.3 - Prob. 5ECh. 30.3 - In Exercises 3–10, find the first four nonzero...Ch. 30.3 - Prob. 7ECh. 30.3 - Prob. 8ECh. 30.3 - In Exercises 3–10, find the first four nonzero...Ch. 30.3 - Prob. 10ECh. 30.3 - Prob. 11ECh. 30.3 - Prob. 12ECh. 30.3 - In Exercises 11–16, evaluate the given integrals...Ch. 30.3 - Prob. 14ECh. 30.3 - Prob. 15ECh. 30.3 - Prob. 16ECh. 30.3 - Prob. 17ECh. 30.3 - Prob. 18ECh. 30.3 - In Exercises 17–30, find the indicated series by...Ch. 30.3 - Prob. 20ECh. 30.3 - Prob. 21ECh. 30.3 - In Exercises 17–30, find the indicated series by...Ch. 30.3 - Prob. 23ECh. 30.3 - Prob. 24ECh. 30.3 - Prob. 25ECh. 30.3 - Prob. 26ECh. 30.3 - Prob. 27ECh. 30.3 - Prob. 28ECh. 30.3 - Prob. 29ECh. 30.3 - Prob. 30ECh. 30.3 - Prob. 31ECh. 30.3 - Prob. 32ECh. 30.3 - Prob. 33ECh. 30.3 - Prob. 34ECh. 30.3 - Prob. 35ECh. 30.3 - Prob. 36ECh. 30.3 - Prob. 37ECh. 30.3 - Prob. 38ECh. 30.3 - Prob. 39ECh. 30.3 - Prob. 40ECh. 30.3 - Prob. 41ECh. 30.3 - Prob. 42ECh. 30.3 - Prob. 43ECh. 30.3 - Prob. 44ECh. 30.3 - Prob. 45ECh. 30.3 - Prob. 46ECh. 30.4 - Using three terms of the appropriate series,...Ch. 30.4 - Prob. 2PECh. 30.4 - Prob. 1ECh. 30.4 - Prob. 2ECh. 30.4 - Prob. 3ECh. 30.4 - Prob. 4ECh. 30.4 - Prob. 5ECh. 30.4 - Prob. 6ECh. 30.4 - Prob. 7ECh. 30.4 - Prob. 8ECh. 30.4 - Prob. 9ECh. 30.4 - Prob. 10ECh. 30.4 - Prob. 11ECh. 30.4 - Prob. 12ECh. 30.4 - In Exercises 3–20, calculate the value of each of...Ch. 30.4 - Prob. 14ECh. 30.4 - Prob. 15ECh. 30.4 - Prob. 16ECh. 30.4 - Prob. 17ECh. 30.4 - Prob. 18ECh. 30.4 - Prob. 19ECh. 30.4 - Prob. 20ECh. 30.4 - Prob. 21ECh. 30.4 - Prob. 22ECh. 30.4 - Prob. 23ECh. 30.4 - Prob. 24ECh. 30.4 - Prob. 25ECh. 30.4 - Prob. 26ECh. 30.4 - Prob. 27ECh. 30.4 - Prob. 28ECh. 30.4 - Prob. 29ECh. 30.4 - Prob. 30ECh. 30.4 - Prob. 31ECh. 30.4 - Prob. 32ECh. 30.4 - Prob. 33ECh. 30.4 - Prob. 34ECh. 30.4 - Prob. 35ECh. 30.4 - Prob. 36ECh. 30.4 - In Exercises 29–40, solve the given problems by...Ch. 30.4 - Prob. 38ECh. 30.4 - Prob. 39ECh. 30.4 - Prob. 40ECh. 30.5 - Expand f(x) = ex in a Taylor series with a = 3.
Ch. 30.5 - Prob. 1ECh. 30.5 - Prob. 2ECh. 30.5 - Prob. 3ECh. 30.5 - Prob. 4ECh. 30.5 - Prob. 5ECh. 30.5 - Prob. 6ECh. 30.5 - Prob. 7ECh. 30.5 - Prob. 8ECh. 30.5 - Prob. 9ECh. 30.5 - Prob. 10ECh. 30.5 - In Exercises 11–22, find the first three nonzero...Ch. 30.5 - Prob. 12ECh. 30.5 - Prob. 13ECh. 30.5 - Prob. 14ECh. 30.5 - Prob. 15ECh. 30.5 - Prob. 16ECh. 30.5 - In Exercises 11–22, find the first three nonzero...Ch. 30.5 - In Exercises 11–22, find the first three nonzero...Ch. 30.5 - Prob. 19ECh. 30.5 - Prob. 20ECh. 30.5 - Prob. 21ECh. 30.5 - Prob. 22ECh. 30.5 - Prob. 23ECh. 30.5 - Prob. 24ECh. 30.5 - Prob. 25ECh. 30.5 - Prob. 26ECh. 30.5 - Prob. 27ECh. 30.5 - Prob. 28ECh. 30.5 - Prob. 29ECh. 30.5 - Prob. 30ECh. 30.5 - Prob. 31ECh. 30.5 - Prob. 33ECh. 30.5 - Prob. 34ECh. 30.5 - In Exercises 31–38, solve the given...Ch. 30.5 - Prob. 36ECh. 30.5 - In Exercises 31–38, solve the given...Ch. 30.5 - Prob. 38ECh. 30.5 - In Exercises 39–42, use a calculator to display...Ch. 30.5 - In Exercises 39–42, use a calculator to display...Ch. 30.5 - In Exercises 39–42, use a calculator to display...Ch. 30.5 - In Exercises 39–42, use a calculator to display...Ch. 30.6 - In Example 2, in the definition of f(x), replace 1...Ch. 30.6 - Prob. 1ECh. 30.6 - Prob. 2ECh. 30.6 - In Exercises 3–14, find at least three nonzero...Ch. 30.6 - Prob. 4ECh. 30.6 - In Exercises 3–14, find at least three nonzero...Ch. 30.6 - Prob. 6ECh. 30.6 - In Exercises 3–14, find at least three nonzero...Ch. 30.6 - Prob. 8ECh. 30.6 - In Exercises 3–14, find at least three nonzero...Ch. 30.6 - Prob. 10ECh. 30.6 - Prob. 11ECh. 30.6 - Prob. 12ECh. 30.6 - Prob. 13ECh. 30.6 - Prob. 14ECh. 30.6 - Prob. 15ECh. 30.6 - Prob. 16ECh. 30.6 - Prob. 17ECh. 30.6 - Prob. 18ECh. 30.6 - Prob. 19ECh. 30.6 - Prob. 20ECh. 30.6 - In Exercises 21–24, solve the given problems.
21....Ch. 30.6 - In Exercises 21–24, solve the given problems.
22....Ch. 30.6 - In Exercises 21–24, solve the given problems.
23....Ch. 30.6 - Prob. 24ECh. 30.7 - Determine whether the following functions are even...Ch. 30.7 - Prob. 2PECh. 30.7 - Prob. 3PECh. 30.7 - In Exercises 1–4, write the Fourier series for...Ch. 30.7 - In Exercises 1–4, write the Fourier series for...Ch. 30.7 - In Exercises 1–4, write the Fourier series for...Ch. 30.7 - In Exercises 1–4, write the Fourier series for...Ch. 30.7 - In Exercises 5−12, determine whether the given...Ch. 30.7 - In Exercises 5–12, determine whether the given...Ch. 30.7 - In Exercises 5–12, determine whether the given...Ch. 30.7 - In Exercises 5–12, determine whether the given...Ch. 30.7 - In Exercises 5–12, determine whether the given...Ch. 30.7 - In Exercises 5–12, determine whether the given...Ch. 30.7 - In Exercises 5–12, determine whether the given...Ch. 30.7 - In Exercises 5–12, determine whether the given...Ch. 30.7 - In Exercises 13–16, determine whether the Fourier...Ch. 30.7 - In Exercises 13–16, determine whether the Fourier...Ch. 30.7 - In Exercises 13–16, determine whether the Fourier...Ch. 30.7 - In Exercises 13–16, determine whether the Fourier...Ch. 30.7 - Prob. 17ECh. 30.7 - Prob. 18ECh. 30.7 - Prob. 19ECh. 30.7 - Prob. 20ECh. 30.7 - Prob. 21ECh. 30.7 - Prob. 22ECh. 30.7 - Prob. 23ECh. 30.7 - Prob. 24ECh. 30.7 - Prob. 25ECh. 30.7 - Prob. 26ECh. 30.7 - Prob. 27ECh. 30.7 - In Exercises 23–28, solve the given problems.
28....Ch. 30 - Prob. 1RECh. 30 - Prob. 2RECh. 30 - Prob. 3RECh. 30 - Prob. 4RECh. 30 - Prob. 5RECh. 30 - Prob. 6RECh. 30 - Prob. 7RECh. 30 - Prob. 8RECh. 30 - Prob. 9RECh. 30 - Prob. 10RECh. 30 - Prob. 11RECh. 30 - Prob. 12RECh. 30 - Prob. 13RECh. 30 - Prob. 14RECh. 30 - Prob. 15RECh. 30 - Prob. 16RECh. 30 - Prob. 17RECh. 30 - Prob. 18RECh. 30 - Prob. 19RECh. 30 - Prob. 20RECh. 30 - Prob. 21RECh. 30 - Prob. 22RECh. 30 - Prob. 23RECh. 30 - Prob. 24RECh. 30 - Prob. 25RECh. 30 - Prob. 26RECh. 30 - Prob. 27RECh. 30 - Prob. 28RECh. 30 - Prob. 29RECh. 30 - Prob. 30RECh. 30 - Prob. 31RECh. 30 - Prob. 32RECh. 30 - Prob. 33RECh. 30 - Prob. 34RECh. 30 - Prob. 35RECh. 30 - Prob. 36RECh. 30 - Prob. 37RECh. 30 - Prob. 38RECh. 30 - Prob. 39RECh. 30 - Prob. 40RECh. 30 - Prob. 41RECh. 30 - Prob. 42RECh. 30 - Prob. 43RECh. 30 - Prob. 44RECh. 30 - Prob. 45RECh. 30 - Prob. 46RECh. 30 - Prob. 47RECh. 30 - Prob. 48RECh. 30 - Prob. 49RECh. 30 - Prob. 50RECh. 30 - Prob. 51RECh. 30 - Prob. 52RECh. 30 - Prob. 53RECh. 30 - Prob. 54RECh. 30 - Prob. 55RECh. 30 - In Exercises 43–80, solve the given...Ch. 30 - Prob. 57RECh. 30 - Prob. 58RECh. 30 - Prob. 59RECh. 30 - Prob. 60RECh. 30 - Prob. 61RECh. 30 - Prob. 62RECh. 30 - Prob. 63RECh. 30 - Prob. 64RECh. 30 - Prob. 65RECh. 30 - Prob. 66RECh. 30 - Prob. 67RECh. 30 - Prob. 68RECh. 30 - Prob. 69RECh. 30 - Prob. 70RECh. 30 - Prob. 71RECh. 30 - Prob. 72RECh. 30 - Prob. 73RECh. 30 - Prob. 74RECh. 30 - Prob. 75RECh. 30 - Prob. 76RECh. 30 - Prob. 77RECh. 30 - Prob. 78RECh. 30 - Prob. 79RECh. 30 - Prob. 80RECh. 30 - Prob. 81RECh. 30 - Prob. 1PTCh. 30 - Prob. 2PTCh. 30 - Prob. 3PTCh. 30 - Prob. 4PTCh. 30 - Prob. 5PTCh. 30 - Prob. 6PTCh. 30 - Prob. 7PT
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