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Checkpoint A For Checkpoint A, you will need to demonstrate a program that does the following: 1. Prompts the user for the parameters of the model: xx, 6, 7, 8 If a user inputs a negative value for any of these parameters, the program should immediately print an error message and exit. 2. Prompts the user to enter the initial values of the populations ko, uo, representing thousands of individuals. • If a user inputs a negative value for the initial population for either kelp or urchins, the program should treat the population as zero. 3. The program should calculate and output the populations ₁, ₁. Outputs should be shown with precision 3 decimal places, representing the population in thousands. The population should never grow negative (treat negative populations as zero). Sample Output Sample input/output behavior for Checkpoint A are provided below. Your program's spacing, spelling, capitalization, and punctuation will need to match the sample output EXACTLY for this project. Ex 1 Sample Input/Output Given inputs xx, 3, 7, 8, ko, ug as:

Checkpoint A For Checkpoint A, you will need to demonstrate a program that does the following: 1. Prompts the user for the parameters of the model: xx, 6, 7, 8 If a user inputs a negative value for any of these parameters, the program should immediately print an error message and exit. 2. Prompts the user to enter the initial values of the populations ko, uo, representing thousands of individuals. • If a user inputs a negative value for the initial population for either kelp or urchins, the program should treat the population as zero. 3. The program should calculate and output the populations ₁, ₁. Outputs should be shown with precision 3 decimal places, representing the population in thousands. The population should never grow negative (treat negative populations as zero). Sample Output Sample input/output behavior for Checkpoint A are provided below. Your program's spacing, spelling, capitalization, and punctuation will need to match the sample output EXACTLY for this project. Ex 1 Sample Input/Output Given inputs xx, 3, 7, 8, ko, ug as:

Database System Concepts
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
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Checkpoint A For Checkpoint A, you will need to demonstrate a program that does the following: 1. Prompts the user for the parameters of the model: x, 3, 7, 8 • If a user inputs a negative value for any of these parameters, the program should immediately print an error message and exit. 2. Prompts the user to enter the initial values of the populations ko, uo, representing thousands of individuals. • If a user inputs a negative value for the initial population for either kelp or urchins, the program should treat the population as zero. 3. The program should calculate and output the populations k₁, ₁. Outputs should be shown with precision 3 decimal places, representing the population in thousands. The population should never grow negative (treat negative populations as zero). Sample Output Sample input/output behavior for Checkpoint A are provided below. Your program's spacing, spelling, capitalization, and punctuation will need to match the sample output EXACTLY for this project. Ex 1 Sample Input/Output Given inputs a, 3, 7, 8, ko, un as: 1.5 .001 .05 2.5 100 2 The program outputs ==> Bull Kelp and Purple Urchin Population Simulator <== Kelp growth rate: Kelp death rate: Urchin birth rate: Urchin death rate: Model Parameters --- Initial Population Kelp population (in thousands) at t = 0: Urchin population (in thousands) at t = 0: --- --- Simulation --- Time t = 0: 100.000k kelp, 2.000k urchins Time t = 1: 249.800k kelp, 7.000k urchins
Transcribed Image Text:Checkpoint A For Checkpoint A, you will need to demonstrate a program that does the following: 1. Prompts the user for the parameters of the model: x, 3, 7, 8 • If a user inputs a negative value for any of these parameters, the program should immediately print an error message and exit. 2. Prompts the user to enter the initial values of the populations ko, uo, representing thousands of individuals. • If a user inputs a negative value for the initial population for either kelp or urchins, the program should treat the population as zero. 3. The program should calculate and output the populations k₁, ₁. Outputs should be shown with precision 3 decimal places, representing the population in thousands. The population should never grow negative (treat negative populations as zero). Sample Output Sample input/output behavior for Checkpoint A are provided below. Your program's spacing, spelling, capitalization, and punctuation will need to match the sample output EXACTLY for this project. Ex 1 Sample Input/Output Given inputs a, 3, 7, 8, ko, un as: 1.5 .001 .05 2.5 100 2 The program outputs ==> Bull Kelp and Purple Urchin Population Simulator <== Kelp growth rate: Kelp death rate: Urchin birth rate: Urchin death rate: Model Parameters --- Initial Population Kelp population (in thousands) at t = 0: Urchin population (in thousands) at t = 0: --- --- Simulation --- Time t = 0: 100.000k kelp, 2.000k urchins Time t = 1: 249.800k kelp, 7.000k urchins
Ex 2 Sample Input/Output Given a negative rate a, 6, 7, 8, ko, uo as: -2 The program outputs --- Bull Kelp and Purple Urchin Population Simulator Model Parameters Kelp growth rate: Error: cannot have a negative growth rate 1.5 .001 .05 2.5 100 -2 Ex 3 Sample Input/Output Given a negative population size a, b, y, 8, kỵ, u as: 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 Time t = 0: 100.000k kelp, 0.000k urchins Time t = 1: 250.000k kelp, 0.000k urchins
Transcribed Image Text:Ex 2 Sample Input/Output Given a negative rate a, 6, 7, 8, ko, uo as: -2 The program outputs --- Bull Kelp and Purple Urchin Population Simulator Model Parameters Kelp growth rate: Error: cannot have a negative growth rate 1.5 .001 .05 2.5 100 -2 Ex 3 Sample Input/Output Given a negative population size a, b, y, 8, kỵ, u as: 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 Time t = 0: 100.000k kelp, 0.000k urchins Time t = 1: 250.000k kelp, 0.000k urchins
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