Scimago Journal & Country Rank

Numerical Functional Analysis and Optimization

Country United States  - SIR icon
H Index
Subject Area and CategoryComputer Science
Computer Science Applications
Signal Processing

Control and Optimization
Publisher Taylor and Francis Ltd.
Publication typeJournals
ISSN15322467, 01630563
Scope Numerical Functional Analysis and Optimization is a journal aimed at development and applications of functional analysis and operator-theoretic methods in numerical analysis, optimization and approximation theory, control theory, signal and image processing, inverse and ill-posed problems, applied and computational harmonic analysis, operator equations, and nonlinear functional analysis. Not all high-quality papers within the union of these fields are within the scope of NFAO. Generalizations and abstractions that significantly advance their fields and reinforce the concrete by providing new insight and important results for problems arising from applications are welcome. On the other hand, technical generalizations for their own sake with window dressing about applications, or variants of known results and algorithms, are not suitable for this journal. Numerical Functional Analysis and Optimization publishes about 70 papers per year. It is our current policy to limit consideration to one submitted paper by any author/co-author per two consecutive years. Exception will be made for seminal papers.


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The set of journals have been ranked according to their SJR and divided into four equal groups, four quartiles. Q1 (green) comprises the quarter of the journals with the highest values, Q2 (yellow) the second highest values, Q3 (orange) the third highest values and Q4 (red) the lowest values.

Computer Science Applications1999Q2
Computer Science Applications2000Q2
Computer Science Applications2001Q2
Computer Science Applications2002Q2
Computer Science Applications2003Q1
Computer Science Applications2004Q2
Computer Science Applications2005Q2
Computer Science Applications2006Q2
Computer Science Applications2007Q2
Computer Science Applications2008Q2
Computer Science Applications2009Q2
Computer Science Applications2010Q2
Computer Science Applications2011Q2
Computer Science Applications2012Q2
Computer Science Applications2013Q2
Computer Science Applications2014Q2
Computer Science Applications2015Q2
Computer Science Applications2016Q2
Computer Science Applications2017Q2
Computer Science Applications2018Q2
Computer Science Applications2019Q2
Control and Optimization1999Q3
Control and Optimization2000Q3
Control and Optimization2001Q3
Control and Optimization2002Q3
Control and Optimization2003Q2
Control and Optimization2004Q3
Control and Optimization2005Q3
Control and Optimization2006Q3
Control and Optimization2007Q3
Control and Optimization2008Q3
Control and Optimization2009Q3
Control and Optimization2010Q2
Control and Optimization2011Q2
Control and Optimization2012Q2
Control and Optimization2013Q2
Control and Optimization2014Q3
Control and Optimization2015Q2
Control and Optimization2016Q1
Control and Optimization2017Q2
Control and Optimization2018Q2
Control and Optimization2019Q2
Signal Processing1999Q2
Signal Processing2000Q2
Signal Processing2001Q3
Signal Processing2002Q3
Signal Processing2003Q2
Signal Processing2004Q2
Signal Processing2005Q2
Signal Processing2006Q2
Signal Processing2007Q2
Signal Processing2008Q2
Signal Processing2009Q2
Signal Processing2010Q2
Signal Processing2011Q2
Signal Processing2012Q2
Signal Processing2013Q2
Signal Processing2014Q2
Signal Processing2015Q2
Signal Processing2016Q1
Signal Processing2017Q2
Signal Processing2018Q2
Signal Processing2019Q2

The SJR is a size-independent prestige indicator that ranks journals by their 'average prestige per article'. It is based on the idea that 'all citations are not created equal'. SJR is a measure of scientific influence of journals that accounts for both the number of citations received by a journal and the importance or prestige of the journals where such citations come from It measures the scientific influence of the average article in a journal, it expresses how central to the global scientific discussion an average article of the journal is.

Citations per document

This indicator counts the number of citations received by documents from a journal and divides them by the total number of documents published in that journal. The chart shows the evolution of the average number of times documents published in a journal in the past two, three and four years have been cited in the current year. The two years line is equivalent to journal impact factor ™ (Thomson Reuters) metric.

Cites per documentYearValue
Cites / Doc. (4 years)19990.353
Cites / Doc. (4 years)20000.380
Cites / Doc. (4 years)20010.481
Cites / Doc. (4 years)20020.437
Cites / Doc. (4 years)20030.645
Cites / Doc. (4 years)20040.425
Cites / Doc. (4 years)20050.691
Cites / Doc. (4 years)20060.686
Cites / Doc. (4 years)20070.725
Cites / Doc. (4 years)20080.717
Cites / Doc. (4 years)20090.753
Cites / Doc. (4 years)20100.812
Cites / Doc. (4 years)20110.912
Cites / Doc. (4 years)20120.832
Cites / Doc. (4 years)20130.928
Cites / Doc. (4 years)20140.965
Cites / Doc. (4 years)20150.775
Cites / Doc. (4 years)20161.010
Cites / Doc. (4 years)20170.922
Cites / Doc. (4 years)20180.997
Cites / Doc. (4 years)20191.215
Cites / Doc. (3 years)19990.353
Cites / Doc. (3 years)20000.371
Cites / Doc. (3 years)20010.497
Cites / Doc. (3 years)20020.429
Cites / Doc. (3 years)20030.647
Cites / Doc. (3 years)20040.467
Cites / Doc. (3 years)20050.626
Cites / Doc. (3 years)20060.600
Cites / Doc. (3 years)20070.758
Cites / Doc. (3 years)20080.582
Cites / Doc. (3 years)20090.779
Cites / Doc. (3 years)20100.836
Cites / Doc. (3 years)20110.883
Cites / Doc. (3 years)20120.772
Cites / Doc. (3 years)20130.908
Cites / Doc. (3 years)20140.831
Cites / Doc. (3 years)20150.789
Cites / Doc. (3 years)20161.090
Cites / Doc. (3 years)20170.886
Cites / Doc. (3 years)20180.961
Cites / Doc. (3 years)20191.124
Cites / Doc. (2 years)19990.325
Cites / Doc. (2 years)20000.353
Cites / Doc. (2 years)20010.455
Cites / Doc. (2 years)20020.302
Cites / Doc. (2 years)20030.727
Cites / Doc. (2 years)20040.426
Cites / Doc. (2 years)20050.573
Cites / Doc. (2 years)20060.524
Cites / Doc. (2 years)20070.500
Cites / Doc. (2 years)20080.579
Cites / Doc. (2 years)20090.717
Cites / Doc. (2 years)20100.757
Cites / Doc. (2 years)20110.893
Cites / Doc. (2 years)20120.593
Cites / Doc. (2 years)20130.711
Cites / Doc. (2 years)20140.788
Cites / Doc. (2 years)20150.801
Cites / Doc. (2 years)20161.012
Cites / Doc. (2 years)20170.875
Cites / Doc. (2 years)20180.798
Cites / Doc. (2 years)20191.072
Total Cites 

Evolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years.
Journal Self-citation is defined as the number of citation from a journal citing article to articles published by the same journal.

Self Cites19998
Self Cites20005
Self Cites200110
Self Cites20028
Self Cites200312
Self Cites20046
Self Cites20056
Self Cites20066
Self Cites200715
Self Cites200814
Self Cites20099
Self Cites201024
Self Cites201117
Self Cites20128
Self Cites20139
Self Cites20146
Self Cites201511
Self Cites201619
Self Cites201714
Self Cites20188
Self Cites201917
Total Cites199966
Total Cites200066
Total Cites200186
Total Cites200269
Total Cites2003101
Total Cites200470
Total Cites200587
Total Cites200681
Total Cites200791
Total Cites200889
Total Cites2009141
Total Cites2010183
Total Cites2011197
Total Cites2012173
Total Cites2013197
Total Cites2014172
Total Cites2015172
Total Cites2016255
Total Cites2017225
Total Cites2018246
Total Cites2019299
External Cites per Doc 
Cites per Doc

Evolution of the number of total citation per document and external citation per document (i.e. journal self-citations removed) received by a journal's published documents during the three previous years. External citations are calculated by subtracting the number of self-citations from the total number of citations received by the journal’s documents.

External Cites per document19990.310
External Cites per document20000.343
External Cites per document20010.439
External Cites per document20020.379
External Cites per document20030.571
External Cites per document20040.427
External Cites per document20050.583
External Cites per document20060.556
External Cites per document20070.633
External Cites per document20080.490
External Cites per document20090.729
External Cites per document20100.726
External Cites per document20110.807
External Cites per document20120.737
External Cites per document20130.866
External Cites per document20140.802
External Cites per document20150.739
External Cites per document20161.009
External Cites per document20170.831
External Cites per document20180.930
External Cites per document20191.060
Cites per document19990.353
Cites per document20000.371
Cites per document20010.497
Cites per document20020.429
Cites per document20030.647
Cites per document20040.467
Cites per document20050.626
Cites per document20060.600
Cites per document20070.758
Cites per document20080.582
Cites per document20090.779
Cites per document20100.836
Cites per document20110.883
Cites per document20120.772
Cites per document20130.908
Cites per document20140.831
Cites per document20150.789
Cites per document20161.090
Cites per document20170.886
Cites per document20180.961
Cites per document20191.124
% International Collaboration

International Collaboration accounts for the articles that have been produced by researchers from several countries. The chart shows the ratio of a journal's documents signed by researchers from more than one country; that is including more than one country address.

YearInternational Collaboration
Citable documents 
Non-citable documents

Not every article in a journal is considered primary research and therefore "citable", this chart shows the ratio of a journal's articles including substantial research (research articles, conference papers and reviews) in three year windows vs. those documents other than research articles, reviews and conference papers.

Non-citable documents19990
Non-citable documents20000
Non-citable documents20010
Non-citable documents20021
Non-citable documents20032
Non-citable documents20042
Non-citable documents20051
Non-citable documents20060
Non-citable documents20071
Non-citable documents20082
Non-citable documents20093
Non-citable documents20104
Non-citable documents20113
Non-citable documents20122
Non-citable documents20132
Non-citable documents20143
Non-citable documents20154
Non-citable documents20162
Non-citable documents20171
Non-citable documents20183
Non-citable documents20194
Citable documents1999187
Citable documents2000178
Citable documents2001173
Citable documents2002161
Citable documents2003156
Citable documents2004150
Citable documents2005139
Citable documents2006135
Citable documents2007120
Citable documents2008153
Citable documents2009181
Citable documents2010219
Citable documents2011223
Citable documents2012224
Citable documents2013217
Citable documents2014207
Citable documents2015218
Citable documents2016234
Citable documents2017254
Citable documents2018256
Citable documents2019266
Cited documents 
Uncited documents

Ratio of a journal's items, grouped in three years windows, that have been cited at least once vs. those not cited during the following year.

Uncited documents1999145
Uncited documents2000134
Uncited documents2001122
Uncited documents2002114
Uncited documents200397
Uncited documents2004105
Uncited documents200590
Uncited documents200685
Uncited documents200778
Uncited documents200898
Uncited documents2009109
Uncited documents2010128
Uncited documents2011138
Uncited documents2012139
Uncited documents2013127
Uncited documents2014126
Uncited documents2015141
Uncited documents2016106
Uncited documents2017134
Uncited documents2018144
Uncited documents2019136
Cited documents199942
Cited documents200044
Cited documents200151
Cited documents200248
Cited documents200361
Cited documents200447
Cited documents200550
Cited documents200650
Cited documents200743
Cited documents200857
Cited documents200975
Cited documents201095
Cited documents201188
Cited documents201287
Cited documents201392
Cited documents201484
Cited documents201581
Cited documents2016130
Cited documents2017121
Cited documents2018115
Cited documents2019134
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