Explain what is the python doing
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
Explain what is the python doing
![6. A scientist studying the universe has written the Python code below:
from pylab import *
def rate (z):
A = = 0.6
B = 0.5
C =
9.4
zdash =
return (zdash)
A*exp(-z/C) B*Z
to = 0
ZO = float (input("Please enter initial value: "))
float (input ("Please enter final time: "))
time_end =
number_of_steps
20
time_step =
=
time_end/number_of_steps
z = zeros(int (number_of_steps+1))
t = zeros(int (number_of_steps+1))
z [0]
zo
t [0]
= to
i = 0
print (i,z[i])
while i < number_of_steps:
i = i + 1
t[i]
z [i]
=
t[i-1]+time_step
=
z [i-1]+time_step*rate (z[i-1])
print (i, z[i])
The scientist knows that you have just finished SCIE1000, and so emails it to you to get some
advice. You run it, and enter two numbers. It gives the following output:
Please enter initial value: 0.1
Please enter final time: 10
0 0.1
1 0.3718254266066964
2 0.567233937130043](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0a74a251-376d-4ec7-abb5-b513b674e39e%2F4580a424-4127-4f2f-af72-b565b4131b47%2Fwn5r2p0s_processed.png&w=3840&q=75)
Transcribed Image Text:6. A scientist studying the universe has written the Python code below:
from pylab import *
def rate (z):
A = = 0.6
B = 0.5
C =
9.4
zdash =
return (zdash)
A*exp(-z/C) B*Z
to = 0
ZO = float (input("Please enter initial value: "))
float (input ("Please enter final time: "))
time_end =
number_of_steps
20
time_step =
=
time_end/number_of_steps
z = zeros(int (number_of_steps+1))
t = zeros(int (number_of_steps+1))
z [0]
zo
t [0]
= to
i = 0
print (i,z[i])
while i < number_of_steps:
i = i + 1
t[i]
z [i]
=
t[i-1]+time_step
=
z [i-1]+time_step*rate (z[i-1])
print (i, z[i])
The scientist knows that you have just finished SCIE1000, and so emails it to you to get some
advice. You run it, and enter two numbers. It gives the following output:
Please enter initial value: 0.1
Please enter final time: 10
0 0.1
1 0.3718254266066964
2 0.567233937130043
Transcribed Image Text:3 0.7078576294083201
4 0.8091316697378195
5 0.8821055956118914
6 0.9347074436372816
7 0.9726346885043051
8 0.9999864581494113
9 1.0197143082402373
10 1.033944716658461
11 1.0442103586631264
12 1.0516162493108738
13 1.0569592427060288
14 1.0608140584976962
15 1.063595250817454
16 1.065601867742315
17 1.067049646798249
18 1.0680942305349759
19 1.0688479096897523
20 1.069391699903605
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