Calculus Volume 2
17th Edition
ISBN: 9781938168062
Author: Gilbert Strang, Edwin Jed Herman
Publisher: OpenStax
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Textbook Question
Chapter 4.2, Problem 103E
Estimate the following solutions using Euler’s method with n = 5 steps over the interval t = [0, 1]. If you are able to solve the initial-value problem exactly, compare your solution with the exact solution. If you are unable to solve the initial-value problem, the exact solution will be provided for you to compare with Euler’s method. How accurate is Euler’s method?
103. y' = −5t, y(0) = −2. Exact solution is
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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, ....
iii)
i=5
x² = Σ
i=1
(Yi — mi)²
σ
2
By minimising oc², derive the formulae
for the best values of the model for
a 1 degree polynomial (2 parameters).
Chapter 4 Solutions
Calculus Volume 2
Ch. 4.1 - Determine the order of the following differential...Ch. 4.1 - Determine the order of the following differential...Ch. 4.1 - Determine the order of the following differential...Ch. 4.1 - Determine the order of the following differential...Ch. 4.1 - Determine the order of the following differential...Ch. 4.1 - Determine the order of the following differential...Ch. 4.1 - Determine the order of the following differential...Ch. 4.1 - Verify that the following functions are solutions...Ch. 4.1 - Verify that the following functions are solutions...Ch. 4.1 - Verify that the following functions are solutions...
Ch. 4.1 - Verify that the following functions are solutions...Ch. 4.1 - Verify that the following functions are solutions...Ch. 4.1 - Verify that the following functions are solutions...Ch. 4.1 - Verify that the following functions are solutions...Ch. 4.1 - Verify that the following functions are solutions...Ch. 4.1 - Verify that the following functions are solutions...Ch. 4.1 - Verify that the following functions are solutions...Ch. 4.1 - Verify the following general solutions and find...Ch. 4.1 - Verify the following general solutions and find...Ch. 4.1 - Verify the following general solutions and find...Ch. 4.1 - Verify the following general solutions and find...Ch. 4.1 - Verify the following general solutions and find...Ch. 4.1 - Verify the following general solutions and find...Ch. 4.1 - Verify the following general solutions and find...Ch. 4.1 - Verify the following general solutions and find...Ch. 4.1 - Verify the following general solutions and find...Ch. 4.1 - Verify the following general solutions and find...Ch. 4.1 - For the following problems, find the general...Ch. 4.1 - For the following problems, find the general...Ch. 4.1 - For the following problems, find the general...Ch. 4.1 - For the following problems, find the general...Ch. 4.1 - For the following problems, find the general...Ch. 4.1 - For the following problems, find the general...Ch. 4.1 - For the following problems, find the general...Ch. 4.1 - For the following problems, find the general...Ch. 4.1 - For the following problems, find the general...Ch. 4.1 - For the following problems, find the general...Ch. 4.1 - Solve the following initial-value problems...Ch. 4.1 - Solve the following initial-value problems...Ch. 4.1 - Solve the following initial-value problems...Ch. 4.1 - Solve the following initial-value problems...Ch. 4.1 - Solve the following initial-value problems...Ch. 4.1 - Solve the following initial-value problems...Ch. 4.1 - Solve the following initial-value problems...Ch. 4.1 - Solve the following initial-value problems...Ch. 4.1 - Solve the following initial-value problems...Ch. 4.1 - Solve the following initial-value problems...Ch. 4.1 - Recall that a family of solutions includes...Ch. 4.1 - Recall that a family of solutions includes...Ch. 4.1 - Recall that a family of solutions includes...Ch. 4.1 - Recall that a family of solutions includes...Ch. 4.1 - Recall that a family of solutions includes...Ch. 4.1 - Recall that a family of solutions includes...Ch. 4.1 - Recall that a family of solutions includes...Ch. 4.1 - Recall that a family of solutions includes...Ch. 4.1 - Recall that a family of solutions includes...Ch. 4.1 - Recall that a family of solutions includes...Ch. 4.1 - Recall that a family of solutions includes...Ch. 4.1 - Recall that a family of solutions includes...Ch. 4.1 - Recall that a family of solutions includes...Ch. 4.1 - Recall that a family of solutions includes...Ch. 4.1 - Recall that a family of solutions includes...Ch. 4.1 - Recall that a family of solutions includes...Ch. 4.1 - Recall that a family of solutions includes...Ch. 4.1 - Recall that a family of solutions includes...Ch. 4.2 - For the following problems, use the direction...Ch. 4.2 - For the following problems, use the direction...Ch. 4.2 - For the following problems, use the direction...Ch. 4.2 - For the following problems, use the direction...Ch. 4.2 - For the following problems, use the direction...Ch. 4.2 - For the following problems, use the direction...Ch. 4.2 - For the following problems, use the direction...Ch. 4.2 - For the following problems, use the direction...Ch. 4.2 - Draw the direction field for the following...Ch. 4.2 - Draw the direction field for the following...Ch. 4.2 - Draw the direction field for the following...Ch. 4.2 - Draw the direction field for the following...Ch. 4.2 - Draw the direction field for the following...Ch. 4.2 - Draw the directional field for the following...Ch. 4.2 - Draw the directional field for the following...Ch. 4.2 - Draw the directional field for the following...Ch. 4.2 - Draw the directional field for the following...Ch. 4.2 - Draw the directional field for the following...Ch. 4.2 - Match the direction field with the given...Ch. 4.2 - Match the direction field with the given...Ch. 4.2 - Match the direction field with the given...Ch. 4.2 - Match the direction field with the given...Ch. 4.2 - Match the direction field with the given...Ch. 4.2 - Match the direction field with the given...Ch. 4.2 - Match the direction field with the given...Ch. 4.2 - Match the direction field with the given...Ch. 4.2 - Match the direction field with the given...Ch. 4.2 - Match the direction field with the given...Ch. 4.2 - Estimate the following solutions using Euler’s...Ch. 4.2 - Estimate the following solutions using Euler’s...Ch. 4.2 - WEstimate the following solutions using Euler’s...Ch. 4.2 - Estimate the following solutions using Euler’s...Ch. 4.2 - Estimate the following solutions using Euler’s...Ch. 4.2 - Estimate the following solutions using Euler’s...Ch. 4.2 - Estimate the following solutions using Euler’s...Ch. 4.2 - Estimate the following solutions using Euler’s...Ch. 4.2 - Estimate the following solutions using Euler’s...Ch. 4.2 - Estimate the following solutions using Euler’s...Ch. 4.2 - Differential equations can be used to model...Ch. 4.2 - Differential equations can be used to model...Ch. 4.2 - Differential equations can be used to model...Ch. 4.2 - Differential equations can be used to model...Ch. 4.2 - Differential equations can be used to model...Ch. 4.2 - Differential equations can be used to model...Ch. 4.2 - Differential equations can be used to model...Ch. 4.2 - Differential equations can be used to model...Ch. 4.2 - Differential equations can be used to model...Ch. 4.2 - Differential equations can be used to model...Ch. 4.2 - Consider the initial-value problem y' = 2y, y(0) =...Ch. 4.2 - Consider the initial-value problem y' = 2y, y(0) =...Ch. 4.2 - Consider the initial-value problem y' = 2y, y(0) =...Ch. 4.2 - Consider the initial-value problem y' = 2y, y(0) =...Ch. 4.2 - Consider the initial-value problem y' = 2y, y(0) =...Ch. 4.3 - Solve the following initial-value problems with...Ch. 4.3 - Solve the following initial-value problems with...Ch. 4.3 - Solve the following initial-value problems with...Ch. 4.3 - Solve the following initial-value problems with...Ch. 4.3 - Find the general solution to the differential...Ch. 4.3 - Find the general solution to the differential...Ch. 4.3 - Find the general solution to the differential...Ch. 4.3 - Find the general solution to the differential...Ch. 4.3 - Find the general solution to the differential...Ch. 4.3 - Find the general solution to the differential...Ch. 4.3 - Find the general solution to the differential...Ch. 4.3 - Find the general solution to the differential...Ch. 4.3 - Find the general solution to the differential...Ch. 4.3 - Find the general solution to the differential...Ch. 4.3 - Find the solution to the initial-value problem....Ch. 4.3 - Find the solution to the initial-value problem....Ch. 4.3 - Find the solution to the initial-value problem....Ch. 4.3 - Find the solution to the initial-value problem....Ch. 4.3 - Find the solution to the initial-value problem....Ch. 4.3 - Find the solution to the initial-value problem....Ch. 4.3 - Find the solution to the initial-value problem....Ch. 4.3 - Find the solution to the initial-value problem....Ch. 4.3 - Find the solution to the initial-value problem....Ch. 4.3 - Find the solution to the initial-value problem....Ch. 4.3 - For the following problems, use a software program...Ch. 4.3 - For the following problems, use a software program...Ch. 4.3 - For the following problems, use a software program...Ch. 4.3 - For the following problems, use a software program...Ch. 4.3 - For the following problems, use a software program...Ch. 4.3 - Most drugs in the bloodstream decay according to...Ch. 4.3 - A drug is administered intravenously to a patient...Ch. 4.3 - [T] How often should a drug be taken if its dose...Ch. 4.3 - A tank contains 1 kilogram of salt dissolved in...Ch. 4.3 - A tank containing 10 kilograms of salt dissolved...Ch. 4.3 - [T] For the preceding problem, find flow much salt...Ch. 4.3 - Torricelli’s law states that for a water tank with...Ch. 4.3 - For the preceding problem, determine how long it...Ch. 4.3 - For the following problems, use Newton’s law of...Ch. 4.3 - For the following problems, use Newton’s law of...Ch. 4.3 - For the following problems, use Newton’s law of...Ch. 4.3 - For the following problems, use Newton’s law of...Ch. 4.3 - For the following problems, use Newton’s law of...Ch. 4.3 - For the following problems, use Newton’s law of...Ch. 4.3 - For the following problems, use Newton’s law of...Ch. 4.3 - For the following problems, use Newton’s law of...Ch. 4.3 - For the following problems, use Newton’s law of...Ch. 4.3 - For the following problems, use Newton’s law of...Ch. 4.3 - For the following problems, use Newton’s law of...Ch. 4.3 - For the following problems, use Newton’s law of...Ch. 4.4 - Student Project: Logistic Equation with a...Ch. 4.4 - Student Project: Logistic Equation with a...Ch. 4.4 - Student Project: Logistic Equation with a...Ch. 4.4 - Student Project: Logistic Equation with a...Ch. 4.4 - For the following problems, consider the logistic...Ch. 4.4 - For the following problems, consider the logistic...Ch. 4.4 - For the following problems, consider the logistic...Ch. 4.4 - For the following problems, consider the logistic...Ch. 4.4 - For the following problems, consider the logistic...Ch. 4.4 - A population of deer inside a park has a carrying...Ch. 4.4 - A population of frogs in a pond has a growth rate...Ch. 4.4 - [T] Bacteria grow at a rate of 2O per hour in a...Ch. 4.4 - [T] Rabbits in a park have an initial population...Ch. 4.4 - [T] Two monkeys are placed on an island. After 5...Ch. 4.4 - [T] A butterfly sanctuary is built that can hold...Ch. 4.4 - The following problems consider the logistic...Ch. 4.4 - The following problems consider the logistic...Ch. 4.4 - The following problems consider the logistic...Ch. 4.4 - The following problems consider the logistic...Ch. 4.4 - The following problems consider the logistic...Ch. 4.4 - It is more likely that the amount of fishing is...Ch. 4.4 - It is more likely that the amount of fishing is...Ch. 4.4 - It is more likely that the amount of fishing is...Ch. 4.4 - It is more likely that the amount of fishing is...Ch. 4.4 - It is more likely that the amount of fishing is...Ch. 4.4 - The following problems add in a minimal threshold...Ch. 4.4 - The following problems add in a minimal threshold...Ch. 4.4 - The following problems add in a minimal threshold...Ch. 4.4 - The following problems add in a minimal threshold...Ch. 4.4 - The following problems add in a minimal threshold...Ch. 4.4 - The following questions consider the Gompertz...Ch. 4.4 - The following questions consider the Gompertz...Ch. 4.4 - The following questions consider the Gompertz...Ch. 4.4 - The following questions consider the Gompertz...Ch. 4.4 - The following questions consider the Gompertz...Ch. 4.4 - The following questions consider the Gompertz...Ch. 4.4 - The following questions consider the Gompertz...Ch. 4.4 - The following questions consider the Gompertz...Ch. 4.4 - The following questions consider the Gompertz...Ch. 4.4 - Below is a table of the populations of whooping...Ch. 4.4 - Below is a table of the populations of whooping...Ch. 4.4 - Below is a table of the populations of whooping...Ch. 4.4 - Below is a table of the populations of whooping...Ch. 4.4 - Below is a table of the populations of whooping...Ch. 4.5 - Are the following differential equations linear?...Ch. 4.5 - Are the following differential equations linear?...Ch. 4.5 - Are the following differential equations linear?...Ch. 4.5 - Are the following differential equations linear?...Ch. 4.5 - Are the following differential equations linear?...Ch. 4.5 - Write the following first-order differential...Ch. 4.5 - Write the following first-order differential...Ch. 4.5 - Write the following first-order differential...Ch. 4.5 - Write the following first-order differential...Ch. 4.5 - Write the following first-order differential...Ch. 4.5 - What are the integrating factors for the following...Ch. 4.5 - What are the integrating factors for the following...Ch. 4.5 - What are the integrating factors for the following...Ch. 4.5 - What are the integrating factors for the following...Ch. 4.5 - What are the integrating factors for the following...Ch. 4.5 - Solve the following differential equations by...Ch. 4.5 - Solve the following differential equations by...Ch. 4.5 - Solve the following differential equations by...Ch. 4.5 - Solve the following differential equations by...Ch. 4.5 - Solve the following differential equations by...Ch. 4.5 - Solve the following differential equations by...Ch. 4.5 - Solve the following differential equations by...Ch. 4.5 - Solve the following differential equations by...Ch. 4.5 - Solve the following differential equations by...Ch. 4.5 - Solve the following differential equations by...Ch. 4.5 - Solve the following differential equations. Use...Ch. 4.5 - Solve the following differential equations. Use...Ch. 4.5 - Solve the following differential equations. Use...Ch. 4.5 - Solve the following differential equations. Use...Ch. 4.5 - Solve the following differential equations. Use...Ch. 4.5 - Solve the following differential equations. Use...Ch. 4.5 - Solve the following differential equations. Use...Ch. 4.5 - Solve the following differential equations. Use...Ch. 4.5 - Solve the following initial-value problems by...Ch. 4.5 - Solve the following initial-value problems by...Ch. 4.5 - Solve the following initial-value problems by...Ch. 4.5 - Solve the following initial-value problems by...Ch. 4.5 - Solve the following initial-value problems by...Ch. 4.5 - Solve the following initial-value problems by...Ch. 4.5 - Solve the following initial-value problems by...Ch. 4.5 - Solve the following initial-value problems by...Ch. 4.5 - Solve the following initial-value problems by...Ch. 4.5 - Solve the following initial-value problems by...Ch. 4.5 - A falling object of mass m can reach terminal...Ch. 4.5 - Using your expression from the preceding problem,...Ch. 4.5 - [T] Using your equation for terminal velocity,...Ch. 4.5 - A more accurate way to describe terminal velocity...Ch. 4.5 - Using your expression from the preceding problem,...Ch. 4.5 - [T] Using your equation for terminal velocity,...Ch. 4.5 - For the following problems, determine how...Ch. 4.5 - For the following problems, determine how...Ch. 4.5 - For the following problems, determine how...Ch. 4.5 - For the following problems, determine how...Ch. 4.5 - For the following problems, determine how...Ch. 4 - True or False? Justify your answer with a proof or...Ch. 4 - True or False? Justify your answer with a proof or...Ch. 4 - True or False? Justify your answer with a proof or...Ch. 4 - True or False? Justify your answer with a proof or...Ch. 4 - For the following problems, find the general...Ch. 4 - For the following problems, find the general...Ch. 4 - For the following problems, find the general...Ch. 4 - For the following problems, find the general...Ch. 4 - For the following problems, find the general...Ch. 4 - For the following problems, find the general...Ch. 4 - For the following problems, find the solution to...Ch. 4 - For the following problems, find the solution to...Ch. 4 - For the following problems, find the solution to...Ch. 4 - For the following problems, find the solution to...Ch. 4 - For the following problems, find the solution to...Ch. 4 - For the following problems, find the solution to...Ch. 4 - For the following problems, draw the directional...Ch. 4 - For the following problems, draw the directional...Ch. 4 - For the following problems, use Euler’s Method...Ch. 4 - For the following problems, use Euler’s Method...Ch. 4 - For the following problems, set up and solve the...Ch. 4 - For the following problems, set up and solve the...Ch. 4 - For the following problems, set up and solve the...Ch. 4 - For the following problems, set up and solve the...Ch. 4 - For the following problems, set up and solve the...Ch. 4 - For the following problems, set up and solve the...Ch. 4 - For the following problems, set up and solve the...Ch. 4 - For the following problems, set up and solve the...Ch. 4 - For the following problems, set up and solve the...
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