SCImago Journal & Country Rank           Journal Metrics

Cite Score  (2022)   0.7
SJR (2022)
SNIP (2022)
MSRT Grade    International
ISC Grade   Q1
Publication  format   Online
Number of Issues   25
Number of Articles   229
Number of Contributors   240
Number of Reviewers   1081
Submission Count   745
Accept Count   205
Reject Count   437
Acceptance Rate   28 %
Article View   61935
PDF Download    52912
Average Review Date   45 Days

We would like to inform all readers that the Iranian Journal of Numerical Analysis and Optimization (IJNAO), has changed its publishing frequency from "Semiannual" to a "Quarterly" journal since January 2023. The four journal issues per year will be published in the months of March, June, September, and December. One of our goals is to continue to improve the speed of both the review and publication processes, while try continuing to publish the best available international research in numerical analysis and optimization, with the high scientific and publication standards that the journal is known for.


The Iranian Journal of Numerical Analysis and Optimization (IJNAO) publishes original papers of high scientific value in all areas of numerical analysis and optimization. All research articles accepted and published by IJNAO are immediately freely available online to read, download and share, without any subscription charges or registration barriers.

 IJNAO is indexed in


Current Issue: Volume 13, Issue 4 - Serial Number 27, December 2023, Pages 578-774 

Improving the performance of the FCM algorithm in clustering using the DBSCAN algorithm

Pages 763-774


S. Barkhordari Firozabadi; S.A. Shahzadeh Fazeli; J. Zarepour Ahmadabadi; S.M. Karbassi

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