Modification for people to become susceptible again. You can also have a case where people become susceptible to a disease after some time, due to variants or mutations and potential decaying effects of immunity. This is known as an SIRS model. Suppose that you have a situation similar to the one in the very first part with the following modification: ds dt -=-ßs(t)i(t) + vr(t) = ßs(t)i(t)- yi(t) di dt dr dt = yi(t) - vr(t) Modify your existing model to make these changes and use the parametersy = 1/6, ß = 1/3 and v = 1/5. 1. Show a printout of the graph for this system. 2. Describe the behavior of the system. How does this change things?

Modification for people to become susceptible again. You can also have a case where people become susceptible to a disease after some time, due to variants or mutations and potential decaying effects of immunity. This is known as an SIRS model. Suppose that you have a situation similar to the one in the very first part with the following modification: ds dt -=-ßs(t)i(t) + vr(t) = ßs(t)i(t)- yi(t) di dt dr dt = yi(t) - vr(t) Modify your existing model to make these changes and use the parametersy = 1/6, ß = 1/3 and v = 1/5. 1. Show a printout of the graph for this system. 2. Describe the behavior of the system. How does this change things?

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Question

This project will investigate the SIR model and use numeric methods to find solutions to
the system of coupled, non-linear differential equations. We will work through the
derivation of the model and some assumptions. You will need to use technology, in the
form of a spreadsheet (Excel/Google Sheets) or computer code (C, C++, Python, Java, etc)
to obtain approximate numeric solutions.

Modification for people to become susceptible again.
You can also have a case where people become susceptible to a disease after some time, due
to variants or mutations and potential decaying effects of immunity. This is known as an SIRS
model. Suppose that you have a situation similar to the one in the very first part with the
following modification:
ds
dt
-=-ßs(t)i(t) + vr(t)
= ßs(t)i(t)- yi(t)
di
dt
dr
dt
= yi(t) - vr(t)
Modify your existing model to make these changes and use the parametersy = 1/6, ß =
1/3 and v = 1/5.
1. Show a printout of the graph for this system.
2. Describe the behavior of the system. How does this change things?

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