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All Journal EKOLOGIA : Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup Abdi: Jurnal Pengabdian dan Pemberdayaan Masyarakat
Maya Widyastiti
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Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Environmental Science Health Professions Mathematics Medicine & Pharmacology Public Health

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PENERAPAN METODE FUZZY MAMDANI UNTUK MENENTUKAN TINGKAT KUALITAS AIR SUNGAI LINTAS PROVINSI DI PULAU JAWA Maya Widyastiti
EKOLOGIA Vol 18, No 1 (2018): EKOLOGIA: JURNAL ILMIAH ILMU DASAR DAN LINGKUNGAN HIDUP
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (225.744 KB) | DOI: 10.33751/ekol.v18i1.803

Abstract

This research aims to determine of river water quality status in the province of Java, including Banten, DKI Jakarta, West Java, Central Java, Yogyakarta and East Java. The data used are secondary data obtained from the ministry of environment and forestry in 2015. In this research, Fuzzy Mamdani method will be used to give solution of river water quality status. Parameters measured and observed are the parameters of Total Suspended Solid (TSS), Dissolved Oxygen (DO), Biochemical Oxygen Demand (BOD), and Chemical Oxygen Demand (COD).Top of Form Based on fuzzy mamdany , Status of river water quality status in DKI Jakarta and West Java have been heavily pollution. Banten province was in mild pollution to moderate pollution. Central Java was in light pollution to heavily pollution. DI Yogyakarta was in mild pollution, and East Java was in mild pollution to moderate pollution.Key words: Fuzzy Mamdani, river water pollution, water quality status
OPTIMALISASI PENJADWALAN PERAWAT SIKLIK MENGGUNAKAN INTEGER NON-LINEAR PROGRAMMING DI RUMAH SEHAT TERPADU DOMPET DHUAFA PARUNG, BOGOR Maya Widyastiti; Lestari Dwi Asih
EKOLOGIA Vol 15, No 1 (2015): JURNAL ILMIAH ILMU DASAR DAN LINGKUNGAN HIDUP
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (648.025 KB) | DOI: 10.33751/ekol.v15i1.209

Abstract

One of problems that frequently occursin hospital management is nurses scheduling problem. A suitable schedule is needed in order to avoid fatigue, both physically and psychologically, which subsequently may deteriorate their performance. Nurse scheduling is commonly designed by the head of nurse manually. In this research, a cyclical nurse scheduling problem is modeled in the form of an integer non-linear programming. The objective of the model is to minimize the number of nurses which works for 30 days. Then optimization problem is implemented to nurses scheduling in the Rumah Sehat Terpadu Dompet Dhuafa Parung Bogor.Key words : Integer Non-Linear Programming, Optimasi, scheduling cycle
PENERAPAN METODE FUZZY MAMDANI UNTUK MENENTUKAN TINGKAT KUALITAS AIR SUNGAI LINTAS PROVINSI DI PULAU JAWA Maya Widyastiti
Ekologia: Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup Vol 18, No 1 (2018): Ekologia : Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/ekol.v18i1.803

Abstract

This research aims to determine of river water quality status in the province of Java, including Banten, DKI Jakarta, West Java, Central Java, Yogyakarta and East Java. The data used are secondary data obtained from the ministry of environment and forestry in 2015. In this research, Fuzzy Mamdani method will be used to give solution of river water quality status. Parameters measured and observed are the parameters of Total Suspended Solid (TSS), Dissolved Oxygen (DO), Biochemical Oxygen Demand (BOD), and Chemical Oxygen Demand (COD).Top of Form  Based on fuzzy mamdany , Status of river water quality status in DKI Jakarta and West Java have been heavily pollution. Banten province was in mild pollution to moderate pollution. Central Java was in light pollution to heavily pollution. DI Yogyakarta was in mild pollution, and East Java was in mild pollution to moderate pollution.Key words: Fuzzy Mamdani, river water pollution, water quality status
OPTIMALISASI PENJADWALAN PERAWAT SIKLIK MENGGUNAKAN INTEGER NON-LINEAR PROGRAMMING DI RUMAH SEHAT TERPADU DOMPET DHUAFA PARUNG, BOGOR Maya Widyastiti; Lestari Dwi Asih
Ekologia: Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup Vol 15, No 1 (2015): Ekologia : Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/ekol.v15i1.209

Abstract

One of problems that frequently occursin hospital management is nurses scheduling problem. A suitable schedule is needed in order to avoid fatigue, both physically and psychologically, which subsequently may deteriorate their performance. Nurse scheduling is commonly designed by the head of nurse manually. In this research, a cyclical nurse scheduling problem is modeled in the form of an integer non-linear programming. The objective of the model is to minimize the number of nurses which works for 30 days. Then optimization problem is implemented to nurses scheduling in the Rumah Sehat Terpadu Dompet Dhuafa Parung Bogor. Key words  : Integer Non-Linear Programming, Optimasi, scheduling cycle 
Pelatihan Penggunaan Software GeoGebra Materi Dimensi Tiga bagi Siswa SMA Negeri 1 Megamendung Maya Widyastiti; Yusma Yanti; Siti Nurhayati
ABDI: Jurnal Pengabdian dan Pemberdayaan Masyarakat Vol 6 No 2 (2024): Abdi: Jurnal Pengabdian dan Pemberdayaan Masyarakat
Publisher : Labor Jurusan Sosiologi, Fakultas Ilmu Sosial, Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/abdi.v6i2.777

Abstract

Pelajaran matematika akan menarik dan tidak membosankan jika kita menggunakan media pembelajaran. Salah satunya yaitu memakai komputer dengan software geogebra. Tujuan dalam kegiatan Pengabdian Kepada Masyarakat ini adalah memberikan pelatihan penggunaan software geogebra pada materi dimensi tiga untuk mengembangkan pembelajaran matematika yang menarik dan menyenangkan. Pelatihan ini dilakukan pada 15 November 2023 di SMA Negeri 1 Megamendung. Peserta pelatihan merupakan siswa kelas XII, meliputi kelas XII IPA 1 dan XII IPA 1 yang berjumlah 59 orang dan 1 orang guru matematika. Tahapan pelaksanaan dari kegiatan ini adalah persiapan, pelaksanaan kegiatan, dan evaluasi. Teknik pengambilan data dilakukan dengan memberikan kuesioner. Hasil yang diperoleh menunjukkan bahwa dengan mengikuti pelatihan GeoGebra, peserta sangat senang dan antusias dalam mengikuti pelatihan. Selain itu GeoGebra dinilai sangat bermanfaat dalam menyelesaikan materi dimensi tiga dengan persentase 88.6% atau dengan kategori sangat baik. Selain itu, GeoGebra dapat meningkatkan ketertarikan siswa dalam mempelajari matematika dengan nilai 89.7% atau dengan kategori sangat baik, dan kemudahan penggunaan modul pelatihan memperoleh hasil sebesar 87.3% yang termasuk dalam kategori sangat baik. Rata-rata perolehan nilai penggunaan GeoGebra memperoleh hasil 88.53% dan termasuk dalam kategori sangat baik
Co-Authors Lestari Dwi Asih Siti Nurhayati Yusma Yanti