I need help figuring out what i need to include in my python code for the Simulation Statistics part?

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
icon
Related questions
Question

I need help figuring out what i need to include in my python code for the Simulation Statistics part?

Given inputs a, 6, 7, 8, ko, uo, nas:
1.5
.001
.05
2.5
100
2
10
The program outputs
==> Bull Kelp and Purple Urchin Population Simulator <==
- Model Parameters
Kelp growth rate:
Kelp death rate:
Urchin birth rate:
Urchin death rate:
Initial Population
Kelp population (in thousands) at t = 0:
Urchin population (in thousands) at t = 0:
- Simulation ---
Timescale:
Time t = 0: 100.000k kelp, 2.000k urchins
Time t = 1: 249.800k kelp, 7.000k urchins
Time t = 2:
Time t = 3:
Time t = 4:
Time t = 5:
---
622.751k kelp, 76.930k urchins
1508.970k kelp, 2280.018k urchins
331.946k kelp, 168603.957k urchins
0.000k kelp, 2545463.659k urchins
0.000k kelp, 0.000k urchins
Time t = 6:
Time t = 7:
0.000k kelp, 0.000k urchins
Time t = 8:
0.000k kelp, 0.000k urchins
Time t = 9: 0.000k kelp, 0.000k urchins
Time t = 10: 0.000k kelp, 0.000k urchins
---
Simulation Statistics
Average kelp population: 255.770k
Average urchin population: 246948.506k
---
Min kelp population was 0.000k at t=5.000
Max urchin population was 2545463.659k at t-5.000
Transcribed Image Text:Given inputs a, 6, 7, 8, ko, uo, nas: 1.5 .001 .05 2.5 100 2 10 The program outputs ==> Bull Kelp and Purple Urchin Population Simulator <== - Model Parameters Kelp growth rate: Kelp death rate: Urchin birth rate: Urchin death rate: Initial Population Kelp population (in thousands) at t = 0: Urchin population (in thousands) at t = 0: - Simulation --- Timescale: Time t = 0: 100.000k kelp, 2.000k urchins Time t = 1: 249.800k kelp, 7.000k urchins Time t = 2: Time t = 3: Time t = 4: Time t = 5: --- 622.751k kelp, 76.930k urchins 1508.970k kelp, 2280.018k urchins 331.946k kelp, 168603.957k urchins 0.000k kelp, 2545463.659k urchins 0.000k kelp, 0.000k urchins Time t = 6: Time t = 7: 0.000k kelp, 0.000k urchins Time t = 8: 0.000k kelp, 0.000k urchins Time t = 9: 0.000k kelp, 0.000k urchins Time t = 10: 0.000k kelp, 0.000k urchins --- Simulation Statistics Average kelp population: 255.770k Average urchin population: 246948.506k --- Min kelp population was 0.000k at t=5.000 Max urchin population was 2545463.659k at t-5.000
1 print('==> Bull Kelp and Purple Urchin Population Simulator <==\n')
2 print('- Model Parameters ---')
a float(input ("Kelp growth rate: \n"))
if a<0:
print("Error: cannot have a negative growth rate")
exit()
b =float(input("Kelp death rate: \n"))
8 if b<0:
9
10
11 c =float
12 if c<0:
13
14
4
5
6
16
17
18
19 ko
29
30
31
print("Error: cannot have a negative death rate")
exit()
ko = max(0, float(input()))
20 u0= max(0, float(input()))
21
k =k0
33
34
35
22
u =u0
23 print( \n--- Initial Population ---')
24 print (f"Kelp population (in thousands) at t = 0: ")
25 print (f"Urchin population (in thousands) at t = 0: \n")
26
27 print('--- Simulation ---')
m m m
print("Error:
exit()
36
(input("Urchin birth rate: \n"))
print("Error: cannot have a negative birth rate")
exit()
d =float (input ("Urchin death rate: \n"))
if d<0:
37
cannot have a negative death rate")
n = int(input("Timescale: \n"))
if n < 0:
print("Error: cannot have a negative timescale ")
exit()
for t in range (n+1): # 0, 1
print (f"Time t = {t}: {k:.3f}k kelp, {u:.3f}k urchins")
k_next = max(0, k + a*k - b*k*u)
u_next
max (0, u + c*k*u - d*u)
k = k_next
u = u next
Transcribed Image Text:1 print('==> Bull Kelp and Purple Urchin Population Simulator <==\n') 2 print('- Model Parameters ---') a float(input ("Kelp growth rate: \n")) if a<0: print("Error: cannot have a negative growth rate") exit() b =float(input("Kelp death rate: \n")) 8 if b<0: 9 10 11 c =float 12 if c<0: 13 14 4 5 6 16 17 18 19 ko 29 30 31 print("Error: cannot have a negative death rate") exit() ko = max(0, float(input())) 20 u0= max(0, float(input())) 21 k =k0 33 34 35 22 u =u0 23 print( \n--- Initial Population ---') 24 print (f"Kelp population (in thousands) at t = 0: ") 25 print (f"Urchin population (in thousands) at t = 0: \n") 26 27 print('--- Simulation ---') m m m print("Error: exit() 36 (input("Urchin birth rate: \n")) print("Error: cannot have a negative birth rate") exit() d =float (input ("Urchin death rate: \n")) if d<0: 37 cannot have a negative death rate") n = int(input("Timescale: \n")) if n < 0: print("Error: cannot have a negative timescale ") exit() for t in range (n+1): # 0, 1 print (f"Time t = {t}: {k:.3f}k kelp, {u:.3f}k urchins") k_next = max(0, k + a*k - b*k*u) u_next max (0, u + c*k*u - d*u) k = k_next u = u next
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 4 steps

Blurred answer
Knowledge Booster
Random Class and its operations
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Database System Concepts
Database System Concepts
Computer Science
ISBN:
9780078022159
Author:
Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:
McGraw-Hill Education
Starting Out with Python (4th Edition)
Starting Out with Python (4th Edition)
Computer Science
ISBN:
9780134444321
Author:
Tony Gaddis
Publisher:
PEARSON
Digital Fundamentals (11th Edition)
Digital Fundamentals (11th Edition)
Computer Science
ISBN:
9780132737968
Author:
Thomas L. Floyd
Publisher:
PEARSON
C How to Program (8th Edition)
C How to Program (8th Edition)
Computer Science
ISBN:
9780133976892
Author:
Paul J. Deitel, Harvey Deitel
Publisher:
PEARSON
Database Systems: Design, Implementation, & Manag…
Database Systems: Design, Implementation, & Manag…
Computer Science
ISBN:
9781337627900
Author:
Carlos Coronel, Steven Morris
Publisher:
Cengage Learning
Programmable Logic Controllers
Programmable Logic Controllers
Computer Science
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education