Profil Dosen
Nama
Prof. Dr Drs Muhafzan, M.Si
Jenis Kelamin
Laki-Laki
Status
PNS
Jabatan
Guru Besar
Unit
Matematika
Fakultas
FAKULTAS MIPA
Pangkat/Gol
IV/d - Pembina Utama Madya
Pendidikan
#JenjangGelarNamaJurusanTahun Lulus
1S1DrsUniversitas RiauMatematika1992
2S2M.SiInstitut Teknologi BandungMatematika1999
3S3DrUniversiti Putra MalaysiaMatematika2007
Penelitian
#JudulTahunJenis/Hasil Karya Ilmiah~
1Kajian Penyebaran Penyakit Tbc Melalui Kontruksi Suatu Model Matematika Baru Yang Menggunakan Turunan Orde Fraksional Tipe Caputo Fabrizio2023Inovasi Sains
2Analisis Dinamik Model Seit Orde Fraksional Pada Penyebaran Tb Dibawah Pengaruh Vaksin2023Inovasi Sains
3Penentuan Bilangan Ramsey Multipartit Himpunan Untuk Graf Tak Lengkap2022Inovasi Sains
4Penentuan Bilangan Ramsey Multipartit Himpunan Untuk Graf Tak Lengkap_2022Inovasi Sains
5Analisis Model Dinamis Penyebaran Penyakit Tbc Orde Fraksional2022Inovasi Sains
6Kajian Model Optimasi Tracking Kuadratik Untuk Sistem Deskriptor Orde Fraksional Dan Aplikasinya2021Inovasi Sains
7Optimasi Kuadratik Linier Terkendala Sistem Deskriptor Orde Fraksional Tipe Jumarie2021Inovasi Sains
8Kontrol Optimal Kuadratik Linier Terkendala Sistem Singular Orde Fraksional2020Inovasi Sains
9Kajian Model Optimasi Dinamis Kuadratik Linier Untuk Sistem Deskriptor Positif Yang Memuat Gangguan Dan Aplikasinya Untuk Pengaturan Pencemaran Udara2019Inovasi Sains
10Optimasi Kuadratik Linier Untuk Sistem Singular Diskrit Terganggu2019Inovasi Sains
11Kajian Model Optimasi Dinamis Kuadratik Linier Untuk Sistem Deskriptor Positif Yang Memuat Gangguan Dan Aplikasinya Untuk Pengaturan Pencemaran Udara2018Mathematical Sciences
12Pengembangan Perangkat Pembelajaran Konstruktivisme Berbasis Web Pada Mata Kuliah Geometri Analitik Dengan Program Wingeom2016
13Pengembangan Perangkat Pembelajaran Konstruktivisme Berbasis Web Pada Mata Kuliah Geometri Analitik Dengan Program Wingeom2015
14Model Pengendalian Persediaan Crude Palm Oil (cpo) Dengan Penundaan Tingkat Kerusakan (studi Kasus Pada Kabupaten Dharmasraya)2013
15Konstruksi Model Matematika Orde Fraksional Untuk Meminimalkan Jumlah Kasus Korupsi2024Inovasi Sains
16Kestabilan Dan Bifurkasi Model Dinamika Korupsi Enam Kompartemen2024Inovasi Sains
17Model Pertumbuhan Populasi Menggunakan Turunan Fraksional Caputo2024Inovasi Sains
18Suatu Model Optimasi Epidemi Orde Fraksional Dengan Tiga Kompartemen Terinfeksi2025Inovasi Sains
19A Hybrid Objective Function For Robust Kalman Filtering With Quadratic Cost And Constraint Under Semi-infinite Horizon 2025Inovasi Sains
Pengabdian
#JudulTahunJenis Pengabdian
1Peningkatan Kapasitas Guru Smp Melalui Pelatihan Olimpiade Matematika Di Smp Islam Raudhatul Jannah Payakumbuh2025Pengabdian Kepada Masyarakat FMIPA Tahun Batch II 2025
Buku
#JudulTahunISBNPenerbit
1Pengantar Teori Kontrol Optimal Kontinu20229786231720610Andalas University Press
2Pengantar Teori Kontrol Optimal Kontinu20219786233952392LPPM Universitas Andalas
Publikasi Scopus
#JudulNama JurnalVolumeHalamanTanggal Publikasi
1On The Fractional Tracking Control And Its Application In Diabetes TreatmentAip Conference Proceedings2920-14 February 2024
2On The Fractional-order Smoking Epidemic ModelCommunications in Mathematical Biology and Neuroscience2024-1 January 2024
3Analysis Of The Fractional-order Epidemic Model Of Smoking Tobacco With The Impact Of Nicotine GumCommunications in Mathematical Biology and Neuroscience2024-1 January 2024
4A Fractional Sitr Model For Dynamic Of Tuberculosis SpreadCommunications in Mathematical Biology and Neuroscience2023-1 January 2023
5A Fractional Dynamics Model Of Hepatitis B Disease Spread Under Influence Of Campaign And TreatmentCommunications in Mathematical Biology and Neuroscience2023-1 January 2023
6A Study For Fractional Order Epidemic Model Of Covid-19 Spread With VaccinationCommunications in Mathematical Biology and Neuroscience2023-1 January 2023
7On Tracking Control Problem For Fractional Order Descriptor SystemsCybernetics and Physics1187-931 January 2022
8Minimum Energy Control Of Fractional-order Differential-algebraic SystemCybernetics and Physics11151-1561 January 2022
9Linear Quadratic Optimization For Fractional Order Differential Algebraic System Of Riemann-liouville TypeCybernetics and Physics9192-1971 January 2020
10On Lq Optimization Problem Subject To Fractional Order Irregular Singular SystemsArchives of Control Sciences30745-7561 January 2020
11On Discounted Lqr Control Problem For Disturbanced Singular SystemArchives of Control Sciences29147-1561 January 2019
12On Positive Normalization Of Fractional Order Continuous Disturbance Singular SystemCybernetics and Physics834-481 January 2019
13On Linear Quadratic Optimization For Discrete Singular SystemInternational Journal of Scientific and Technology Research81324-13261 November 2019
14A New Variant Of Chebyshev-halley's Method Without Second Derivative With Convergence Of Optimal OrderAsian Journal of Scientific Research11409-4141 January 2018
15On The Lq Optimization Subject To Descriptor System Under DisturbanceAsian Journal of Scientific Research11540-5431 January 2018
16Linear Quadratic Optimization For Positive Lti SystemAip Conference Proceedings1847-19 May 2017
17Impulse Elimination For Positive Singular Systems Using Derivative Output FeedbackJournal of Physics Conference Series890-21 September 2017
18Chebyshev-halley’s Method Without Second Derivative Of Eight-order ConvergenceGlobal Journal of Pure and Applied Mathematics122987-29971 January 2016
19Positive Stabilization Of Linear Differential Algebraic Equation SystemInternational Journal of Differential Equations2016-1 January 2016
20Development A Constructivist Module And Web On Circle And Sphere Material With Wingeom SoftwareJournal on Mathematics Education7109-1161 July 2016
21On Positive Stable Realization For Continuous Linear Singular SystemsInternational Journal of Mathematical Analysis8395-4001 January 2014
22A Note On Regularity Of Lti Singular SystemsApplied Mathematical Sciences86389-63911 January 2014
23On The Characterization Feedback Of Positive Lti Continuous Singular Systems Of IndexAdvanced Studies in Theoretical Physics81185-11901 January 2014
24On Stabilization Of Positive Linear SystemsApplied Mathematical Sciences71819-18241 January 2013
25Existence Of A Positive Realization For Generalized Continuous Linear State Space SystemsInternational Journal of Mathematical Analysis72759-27631 December 2013
26Use Of Semidefinite Programming For Solving The Lqr Problem Subject To Rectangular Descriptor SystemsInternational Journal of Applied Mathematics and Computer Science20655-6641 December 2010
27Dynamical Analysis Of A Fractional Order Seit Epidemic Model For Tb Spread Under Influence Of VaccinationCommunications in Mathematical Biology and Neuroscience2024-1 January 2024
28A Fractional Order Model For The Dynamics Of Tuberculosis SpreadCommunications in Mathematical Biology and Neuroscience2025-1 January 2025
29Stability Analysis And Performance Of Kalman Filtering And Robust Kalman Filtering On Uncertain Continuous-time SystemsBarekeng191295-13061 June 2025
30Some Modifications Of Chebyshev-halley’s Methods Free From Second Derivative With Eighth-order Of ConvergenceBarekeng16531-5381 June 2022
31The Local Stability Of A Compartmental Corruption Epidemic Model Under The Impact Of Personal WillingnessSTATISTICS, OPTIMIZATION AND INFORMATION COMPUTING141296-13072 September 2025
Publikasi WoS
#JudulNama JurnalHalamanTahunDikutip
1On LQ optimization problem subject to fractional order irregular singular systemsArchives Of Control Sciences745-75620206
2On discounted LQR control problem for disturbanced singular systemArchives Of Control Sciences147-15620197
3Positive Normalization of Discrete Descriptor System under DisturbanceMatematika141-14720180
4Impulse elimination for positive singular systems using derivative output feedback1st International Conference On Applied & Industrial Mathematics And Statistics 2017 (icoaims 2017)-20170
5Linear Quadratic Optimization for Positive LTI SystemProceedings Of The International Conference On Education, Mathematics And Science 2016 (icems2016) In Conjunction With International Postgraduate Conference On Science And Mathematics 2016 (ipcsm2016)-20170
6Positive Stabilization of Linear Differential Algebraic Equation SystemInternational Journal Of Differential Equations-20161
7USE OF SEMIDEFINITE PROGRAMMING FOR SOLVING THE LQR PROBLEM SUBJECT TO RECTANGULAR DESCRIPTOR SYSTEMSInternational Journal Of Applied Mathematics And Computer Science655-66420103
8On The Singular LQ Control Problem For Nonregular Implicit SystemPunjab University Journal Of Mathematics55-7020060
9A FRACTIONAL DYNAMICS MODEL OF HEPATITIS B DISEASE SPREAD UNDER INFLUENCE OF CAMPAIGN AND TREATMENTCommunications In Mathematical Biology And Neuroscience-20230
10A STUDY FOR FRACTIONAL ORDER EPIDEMIC MODEL OF COVID-19 SPREAD WITH VACCINATIONCommunications In Mathematical Biology And Neuroscience-20230
11A FRACTIONAL SITR MODEL FOR DYNAMIC OF TUBERCULOSIS SPREADCommunications In Mathematical Biology And Neuroscience-20231
Publikasi GS
#JudulNama JurnalDikutip
1On The Fractional Tracking Control And Its Application In Diabetes TreatmentAIP Conference Proceedings 2920 (1), 040007, 20240
2A Fractional Sitr Model For Dynamic Of Tuberculosis SpreadCommun. Math. Biol. Neurosci. 2023, Article ID 14, 20230
3A Fractional Dynamics Model Of Hepatitis B Disease Spread Under Influence Of Campaign And TreatmentCommunications in Mathematical Biology and Neuroscience 2023 (2023), Article …, 20230
4Kestabilan Model Inang Parasit Nicholson-baileyJurnal Matematika UNAND 12 (2), 144–152, 20230
5Some Modifications Of Chebyshev-halley’s Methods Free From Second Derivative With Eighth-order Of ConvergenceBAREKENG: Jurnal Ilmu Matematika dan Terapan 16 (2), 531-538, 20220
6On Tracking Control Problem For Fractional Order Descriptor SystemsCYBERNETICS AND PHYSICS Учредители: Институт проблем машино&#1070
7Analisis Kestabilan Model Inang ParasitJurnal Matematika UNAND 11 (2), 124-132, 20221
8Kestabilan Solusi Nol Sistem Diskret LinierJurnal Matematika UNAND 11 (2), 104-111, 20220
9Minimum Energy Control Of Fractional-order Differential-algebraic SystemCybernetics and Physics 11 (3), 151–156, 20220
10Stability Analysis Of Susceptible Infected Treatment Recovered Model On Covid-19 Spread With VaccinationInternational Journal of Progressive Sciences and Technologies (IJPSAT) 35 …, 20220
11Pengantar Teori Kontrol Optimal Kontinu (edisi Revisi)-0
12Solusi Persamaan Diferensial Fraksional NonhomogenJurnal Matematika UNAND (Sinta 3) 10 (2), 202-209, 20210
13Solusi Eksak Model Epidemi Susceptible-infected-recovered-deathJurnal Matematika UNAND 10 (3), 293-300, 20210
14Aplikasi Teori Kontrol Optimal Pada Model Infeksi Virus Hepatitis BJurnal Matematika UNAND 10 (3), 260-267, 20210
15Model Penyebaran Penyakit Tuberkulosis Dengan Kontrol VaksinasiJurnal Matematika UNAND 10 (3), 280-288, 20214
16On Lq Optimization Problem Subject To Fractional Order Irregular Singular SystemsArchives of Control Sciences, 745-756-745-756, 20206
17Linear Quadratic Optimization For Fractional Order Differential Algebraic System Of Riemann-liouville TypeCybernetics and Physics 9 (4), 192-197, 20203
18On Discounted Lqr Control Problem For Disturbanced Singular SystemArchives of Control Sciences 29 (1), 147-156, 20195
19On Positive Normalization Of Fractional Order Continuous Disturbance Singular Systemsystem 2, 4, 20191
20Positive Normalization Of Discrete Descriptor System Under DisturbanceMatematika, 141-147, 20180
21Muhafzan: On The Lq Optimization Subject To Descriptor System Under DisturbanceAsian Journal of Scientific Research 11 (4), 540-543, 20185
22M.., Suryani, I., Zulakmal And Muhafzan, A New Variant Of Chebyshev-halley’s Method Without Second Derivative With Convergence Of Optimal OrderAsian Journal of Scientific Research 11 (3), 20182
23Impulse Elimination For Positive Singular Systems Using Derivative Output FeedbackJournal of Physics: Conf. Series 890, 20170
24Linear Quadratic Optimization For Positive Lti SystemAIP Conference Proceedings 1847 (1), 020017 (Scopus/SJR), 20170
25Development A Constructivist Module And Web On Circle And Sphere Material With Wingeom SoftwareIndonesian Mathematical Society Journal on Mathematics Education 7 (2), 109-116, 201644
26Chebyshev-halley’s Method Without Second Derivative Of Eight-order ConvergenceGlobal Journal of Pure and Applied Mathematics 12 (4), 2987-2997 (Scopus/SJR), 20164
27Positive Stabilization Of Linear Differential Algebraic Equation SystemINTERNATIONAL JOURNAL OF DIFFERENTIAL EQUATIONS (Scopus/SJR/Thomson Reuters), 20160
28Solusi Soliton Gelap Onsite Pada Persamaan Schrodinger Nonlinier Diskrit Dengan¨ Penambahan Parametric DrivingJurnal Matematika UNAND 3 (4), 6-120
29Solusi Soliton Gelap Onsite Pada Persamaan Schrodinger Nonlinier Diskrit Dengan¨ Penambahan Parametric DrivingJurnal Matematika UNAND 3 (4), 6-12, 20140
30A Note On Regularity Of Lti Singular SystemsApplied Mathematical Sciences 8 (128), 6389-6391 (Scopus/ SJR), 20140
31On The Characterization Feedback Of Positive Lti Continuous Singular Systems Of IndexAdvanced Studies in Theoretical Physics 8 (27), 1185-1190 (Scopus/SJR), 20140
32On Positive Stable Realization For Continuous Linear Singular SystemsInternational Journal of Mathematical Analysis 8 (8), 395-400 (Scopus / SJR), 20140
33On Stabilization Of Positive Linear SystemsApplied Mathematical Sciences 7 (37), 1819-1824, 20130
34Existence Of A Positive Realization For Generalized Continuous Linear State Space SystemsInternational Journal of Mathematical Analysis 7 (56), 2759-2763 (Scopus / SJR), 20130
35Solusi Non-negatif Parsial Sistem Persamaan Diferensial Linier Orde SatuJurnal Sains, Teknologi dan Industri 11 (1), 55-62, 20130
36Solusi Non Negatif Masalah Nilai Awal Dengan Fungsi Gaya Memuat TurunanJurnal Sains, Teknologi dan Industri 10 (2), 191-198, 20130
37Use Of Semidefinite Programming For Solving The Lqr Problem Subject To Rectangular Descriptor SystemsInternational Journal of Applied Mathematics and Computer Science 20 (4 …, 20103
38Proceedings Of The 5th Imt-gt International Conference On Mathematics, Statistics And Their Applications 2009 (icmsa 2009)https://espace.library.uq.edu.au/view/UQ:1946940
39On The Singular Lq Control Problem For Nonregular Implicit SystemPunjab University Journal of Mathematics, 55-70, 20060
40On The Fractional-order Smoking Epidemic ModelCommun. Math. Biol. Neurosci. 2024, Article ID 50, 20240
41Mathematical Modeling And Corruption-free Fixed-point Stability Of Corruption Dynamic With Control StrategyJurnal Lebesgue: Jurnal Ilmiah Pendidikan Matematika, Matematika dan …, 20240
42Kestabilan Titik Tetap Model Seir Penyebaran Penyakit TuberkulosisJurnal Matematika UNAND 13 (3), 149-156, 20240
43A Study For Fractional Order Epidemic Model Of Covid-19 Spread With VaccinationCommun. Math. Biol. Neurosci. 2023, Article ID 112, 20230
44Kestabilan Solusi Nol Sistem Diskrit LinierJurnal Matematika UNAND 11 (2), 104-111, 20221
45On Tracking Control Problem For Fractional Order Descriptor Systems-0
46Minimum Energy Control Of Fractional-order Differential-algebraic System-0
47A Fractional Sitr Model For Dynamic Of Tuberculosis Spread, Commun. Math. Biol. Neurosci. 2023 (2023), 14-5
48A Fractional Order Model For The Dynamics Of Tuberculosis SpreadCommun. Math. Biol. Neurosci. 2025, Article ID 26, 20250
49Stability Analysis And Performance Of Kalman Filtering And Robust Kalman Filtering On Uncertain Continuous-time SystemsBAREKENG: Jurnal Ilmu Matematika dan Terapan 19 (2), 1295-1306, 20250
50Algoritma Robust Kalman Filtering Untuk Sistem Waktu Kontinu Yang Tidak PastiSainsmath: Jurnal MIPA Sains Terapan 3 (1), 1-11, 20240
Paten/HKI
#KategoriJudulPemegang Hak PatenTanggal PublikasiNomor Publikasi
1Hak CiptaPengantar Teori Kontrol Optimal KontinuLPPM Universitas Andalas2021-11-29EC00202211465
2Hak CiptaOptimasi Kuadratik Linier Untuk Sistem Deskriptor KontinuLPPM Universitas Andalas0000-00-00