To create: A script that will read from a file x and y data points in the following format: x 0 y 1 x 1.3 y 2.2 Year Population 1920 4021 1940 8053 1960 14994 1980 9942 2000 3385 The format of every line in the file is the letter ‘x’, a space, the x value, space, the letter ‘y’, space, and the y value. First, create the data file with 10 lines in this format. Do this by using the Editor/Debugger, then File Save As xypts.dat. The script will attempt to open the data file and error-check to make sure it was opened. If so, it uses a for loop and fgetl to read each line as a character vector. In the loop, it creates x and y vectors for the data points. After the loop, it plots these points and attempts to close the file. The script should print whether or not the file was successfully closed.

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Answer 1

Question

Chapter 9, Problem 13E

To determine

To create:

A script that will read from a file x and y data points in the following format:

x 0 y 1

x 1.3 y 2.2

Year Population

1920 4021

1940 8053

1960 14994

1980 9942

2000 3385

The format of every line in the file is the letter ‘x’, a space, the x value, space, the letter ‘y’, space, and the y value. First, create the data file with 10 lines in this format. Do this by using the Editor/Debugger, then File Save As xypts.dat. The script will attempt to open the data file and error-check to make sure it was opened. If so, it uses a for loop and fgetl to read each line as a character vector. In the loop, it creates x and y vectors for the data points. After the loop, it plots these points and attempts to close the file. The script should print whether or not the file was successfully closed.

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Answer 2

Question

Chapter 9, Problem 13E

To determine

To create:

A script that will read from a file x and y data points in the following format:

x 0 y 1

x 1.3 y 2.2

Year Population

1920 4021

1940 8053

1960 14994

1980 9942

2000 3385

The format of every line in the file is the letter ‘x’, a space, the x value, space, the letter ‘y’, space, and the y value. First, create the data file with 10 lines in this format. Do this by using the Editor/Debugger, then File Save As xypts.dat. The script will attempt to open the data file and error-check to make sure it was opened. If so, it uses a for loop and fgetl to read each line as a character vector. In the loop, it creates x and y vectors for the data points. After the loop, it plots these points and attempts to close the file. The script should print whether or not the file was successfully closed.

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Answer 3

Question

Chapter 9, Problem 13E

To determine

To create:

A script that will read from a file x and y data points in the following format:

x 0 y 1

x 1.3 y 2.2

Year Population

1920 4021

1940 8053

1960 14994

1980 9942

2000 3385

The format of every line in the file is the letter ‘x’, a space, the x value, space, the letter ‘y’, space, and the y value. First, create the data file with 10 lines in this format. Do this by using the Editor/Debugger, then File Save As xypts.dat. The script will attempt to open the data file and error-check to make sure it was opened. If so, it uses a for loop and fgetl to read each line as a character vector. In the loop, it creates x and y vectors for the data points. After the loop, it plots these points and attempts to close the file. The script should print whether or not the file was successfully closed.

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Answer 4

Question

Chapter 9, Problem 13E

To determine

To create:

A script that will read from a file x and y data points in the following format:

x 0 y 1

x 1.3 y 2.2

Year Population

1920 4021

1940 8053

1960 14994

1980 9942

2000 3385

The format of every line in the file is the letter ‘x’, a space, the x value, space, the letter ‘y’, space, and the y value. First, create the data file with 10 lines in this format. Do this by using the Editor/Debugger, then File Save As xypts.dat. The script will attempt to open the data file and error-check to make sure it was opened. If so, it uses a for loop and fgetl to read each line as a character vector. In the loop, it creates x and y vectors for the data points. After the loop, it plots these points and attempts to close the file. The script should print whether or not the file was successfully closed.

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Answer 5

Chapter 9, Problem 13E

To determine

To create:

A script that will read from a file x and y data points in the following format:

x 0 y 1

x 1.3 y 2.2

Year Population

1920 4021

1940 8053

1960 14994

1980 9942

2000 3385

The format of every line in the file is the letter ‘x’, a space, the x value, space, the letter ‘y’, space, and the y value. First, create the data file with 10 lines in this format. Do this by using the Editor/Debugger, then File Save As xypts.dat. The script will attempt to open the data file and error-check to make sure it was opened. If so, it uses a for loop and fgetl to read each line as a character vector. In the loop, it creates x and y vectors for the data points. After the loop, it plots these points and attempts to close the file. The script should print whether or not the file was successfully closed.

Answer 6

Chapter 9, Problem 13E

To determine

To create:

A script that will read from a file x and y data points in the following format:

x 0 y 1

x 1.3 y 2.2

Year Population

1920 4021

1940 8053

1960 14994

1980 9942

2000 3385

The format of every line in the file is the letter ‘x’, a space, the x value, space, the letter ‘y’, space, and the y value. First, create the data file with 10 lines in this format. Do this by using the Editor/Debugger, then File Save As xypts.dat. The script will attempt to open the data file and error-check to make sure it was opened. If so, it uses a for loop and fgetl to read each line as a character vector. In the loop, it creates x and y vectors for the data points. After the loop, it plots these points and attempts to close the file. The script should print whether or not the file was successfully closed.

Answer 7

Chapter 9, Problem 13E

To determine

To create:

A script that will read from a file x and y data points in the following format:

x 0 y 1

x 1.3 y 2.2

Year Population

1920 4021

1940 8053

1960 14994

1980 9942

2000 3385

The format of every line in the file is the letter ‘x’, a space, the x value, space, the letter ‘y’, space, and the y value. First, create the data file with 10 lines in this format. Do this by using the Editor/Debugger, then File Save As xypts.dat. The script will attempt to open the data file and error-check to make sure it was opened. If so, it uses a for loop and fgetl to read each line as a character vector. In the loop, it creates x and y vectors for the data points. After the loop, it plots these points and attempts to close the file. The script should print whether or not the file was successfully closed.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 9 - Prob. 9.1P Ch. 9 - Prob. 9.2P Ch. 9 - Prob. 9.4P Ch. 9 - Prob. 1E Ch. 9 - Prob. 3E Ch. 9 - Prob. 4E Ch. 9 - Prob. 5E Ch. 9 - Prob. 6E Ch. 9 - Prob. 7E Ch. 9 - Prob. 8E

Solution Summary: The author creates a script that reads data points in the following format: x, y, and space. The script will attempt to open the file and error-check to make sure it was opened.

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