I want you to express the middle square method with the Racket program. In the square extraction method, when the number of digits of the generated random number is n, the square of the initial value s is calculated, and that value is regarded as a 2n digit number (the number of digits squared as shown in the example below). If is not enough, 0 is added.) The n numbers in the center are used as the first random number. Next, square this random number and take the n numbers in the center in the same way to make the next random number.

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
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I want you to express the middle square method with the Racket program.


In the square extraction method, when the number of digits of the generated random number is n, the square of the initial value s is calculated, and that value is regarded as a 2n digit number (the number of digits squared as shown in the example below). If is not enough, 0 is added.) The n numbers in the center are used as the first random number. Next, square this random number and take the n numbers in the center in the same way to make the next random number.

Example:
Suppose a 4-digit seed is taken. seed = 4765
Hence, square of seed is = 4765 * 4765 = 22705225
Now, from this 8-digit number, any four digits are extracted (Say, the middle
four).
So, the new seed value becomes seed = 7052
Now, square of this new seed is = 7052 * 7052 = 49730704
Again, the same set of 4-digits is extracted.
So, the new seed value becomes seed = 7307
Transcribed Image Text:Example: Suppose a 4-digit seed is taken. seed = 4765 Hence, square of seed is = 4765 * 4765 = 22705225 Now, from this 8-digit number, any four digits are extracted (Say, the middle four). So, the new seed value becomes seed = 7052 Now, square of this new seed is = 7052 * 7052 = 49730704 Again, the same set of 4-digits is extracted. So, the new seed value becomes seed = 7307
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I want you to express the middle square method with the Racket program.

In the square extraction method, when the number of digits of the generated random number is n, the square of the initial value s is calculated, and that value is regarded as a 2n digit number (the number of digits squared as shown in the example below). It is not enough, 0 is added.) The n numbers in the center are used as the first random number. Next, square this random number and take the n numbers in the center in the same way to make the next random number.

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