Relationship between Qur'anic words frequency and their length

Document Type : Research Paper

Abstract

The study of the relationship between the frequency of single words of the Qur'an and their length according to their number of letters shows an inverse relationship between the two. It means that the shorter words are more frequent than longer words, This relationship that was observed by Zipf, is known as Zipf's law; in the present study was determined that Zipf's law is applicable to 26 Suras besides that in the entire Qur'an applies too. The results of study of the law in various languages have shown that this law in every language applies to particular range, in the present study was determined that Qur'anic words shorter than four letters are not taken into account, and we found that the equation with the general form F% = exp (a + b*L + c*L2) approximates the observed frequencies reasonably well, In the two modes entire Qur'an and its Suras separately.

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References

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