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All Journal Innofarm Jurnal Inovasi Pertanian Journal of the Indonesian Mathematical Society Panggung Milang Journal of Mathematics and Its Applications
siswadi -
Department Of Mathematics, Faculty Of Mathematics And Natural Sciences, Bogor Agricultural University, Jl. Meranti, Kampus IPB Darmaga, Bogor
Agriculture, Biological Sciences & Forestry Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Environmental Science Mathematics Social Sciences

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 1 
Nirmana Nada Bertautan: Alih Wahana Rupa menjadi Bunyi -, Siswadi
PANGGUNG Vol 23, No 2 (2013): Eksplorasi Gagasan, Identitas, dam Keberdayaan Seni
Publisher : LP2M ISBI Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26742/panggung.v23i2.96

Abstract

ABSTRACT This musical composition is a medium change of nirmana fine art into sound. Nirmana is a basic composition of fine art which organizing visual language in a form of level, color, line, dot, and tex- ture. Nirmana means something not meaningful or meaningless. This composition work, therefore, does not mean to convey a message or story, but simply to compose the musical elements including rhythm, melody, and harmony. As the expression media, the composition uses Javanese gamelan combined with saxophone, violin, and cello. The gamelan here just acts as a vehicle or medium of expression. The conventional patterns of gamelan music play covering form, scales, and pathet are not used in this composition. Key words: nirmana, medium change  ABSTRAK Komposisi musik ini merupakan alih wahana dari seni rupa nirmana menjadi bunyi. Nir- mana merupakan komposisi dasar seni rupa yang mengorganisasikan bahasa rupa berupa bidang, warna, garis, titik dan tekstur. Nirmana artinya tidak berarti atau tidak bermakna. Dengan demikian karya komposisi ini tidak bermaksud menyampaikan pesan atau cerita, tetapi semata-mata menyusun unsur musik yang meliputi ritme, melodi dan harmoni. Se- bagai media ungkap, komposisi ini menggunakan gamelan Jawa yang digabung saxophone, biola dan cello. Gamelan di sini hanya perperan sebagai wahana atau media ekspresi. Atur- an bermain gamelan secara konvensional yang meliputi bentuk, tangga nada, dan pathet tidak digunakan dalam komposisi ini. Kata kunci: nirmana, alih wahana  
CONSISTENCY OF A KERNEL-TYPE ESTIMATOR OF THE INTENSITY OF THE CYCLIC POISSON PROCESS WITH THE LINEAR TREND Mangku, I Wayan; -, Siswadi; Budiarti, Retno
Journal of the Indonesian Mathematical Society Volume 15 Number 1 (April 2009)
Publisher : IndoMS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22342/jims.15.1.42.37-48

Abstract

A consistent kernel-type nonparametric estimator of the intensity function of a cyclic Poisson process in the presence of linear trend is constructed and investigated. It is assumed that only a single realization of the Poisson process is observed in a bounded window. We prove that the proposed estimator is consistent when the size of the window in definitely expands.DOI : http://dx.doi.org/10.22342/jims.15.1.42.37-48
PENANGANAN PASCA PANEN BUAH-BUAHAN DAN SAYURAN -, Siswadi
Innofarm:Jurnal Inovasi Pertanian Vol 6, No 1 (2007): Innofarm
Publisher : FAKULTAS PERTANIAN UNIVERSITAS SLAMET RIYADI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (68.253 KB)

Abstract

ABSTRACT Horticulture is the designation of category plant fruits, vegetables and ornamental plants. As  Characteristics  of  horticultural  products  the  plant  fruits   and  vegetables  are   perishable products that need a proper post-harvest handling. Post harvest handling is needed to maintain the quality of the results so that when consumed gisinya value does not go down, but  farmers in Indonesia have not been able to do post-harvest handling of fruits and vegetables correctly, due to the limitations  they. Variety of ways post-harvest handling of fruits and vegetables is a beginning of cooling (recooling), sorting, washing, fumigation, packaging and storage. Key word :  post harverst fruits and vegetables
BERBAGAI FORMULASI KEBUTUHAN NUTRISI PADA SISTEM HIDROPONIK -, Siswadi
Innofarm:Jurnal Inovasi Pertanian Vol 7, No 1 (2008): Innofarm
Publisher : FAKULTAS PERTANIAN UNIVERSITAS SLAMET RIYADI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (114.68 KB)

Abstract

ABSTRACT Hydroponics is  the  cultivation  system  with  growing  media other than soil like gravel. sand, charcoal, charcoal husk, broken bricks and others. Hydroponic systems all nutritional needs made ​​available in the right quantity and concentration of plant growth and development so that we can be cultivated to grow and develop properly. Nutrition administered through the media in different ways, there are watered by the media, flow, drip systems and others. Many formulas that can be used in plant cultivation system hidoponik namely: netherland standard formula, formula kuwait, Bengal formula, formula florida and finished materials. For starters it is a formula that has been so highly recommended because it is uncomplicated and easy to apply. Key word : nutritional formulation  hydroponic system
FISIOLOGI PASCA PANEN PADA BUNGA ANGGREK POTONG -, Siswadi
Innofarm:Jurnal Inovasi Pertanian Vol 6, No 1 (2007): Innofarm
Publisher : FAKULTAS PERTANIAN UNIVERSITAS SLAMET RIYADI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (81.018 KB)

Abstract

ABSTRACT Orchids are  plants  that  have many  types of both  types of  flowers or kind. The orchid lovers cultivate  a  collection  to  enjoy  its  beauty  or  cultivated  as  cut  orchid. As cut orchid, flowers have long durability, yet efforts to maintain the freshness of the flowers still needed. One way to keep your look fresh flowers are still beautiful and with proper post-harvest handling.The main factor is the interest rate the quality effect aging, temperature, water supply, food and mechanical damage. Cheapest techniques to maintain freshness after the cut orchid flowers is by way of the base of the flower stalk that has been wrapped with cotton didibasahi with sugar-sweetened water and then put a plastic bag on the belt. Key word : Handling cut flowers orchid
CONSISTENCY OF A KERNEL-TYPE ESTIMATOR OF THE INTENSITY OF THE CYCLIC POISSON PROCESS WITH THE LINEAR TREND I Wayan Mangku; Siswadi -; Retno Budiarti
Journal of the Indonesian Mathematical Society Volume 15 Number 1 (April 2009)
Publisher : IndoMS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22342/jims.15.1.42.37-48

Abstract

A consistent kernel-type nonparametric estimator of the intensity function of a cyclic Poisson process in the presence of linear trend is constructed and investigated. It is assumed that only a single realization of the Poisson process is observed in a bounded window. We prove that the proposed estimator is consistent when the size of the window in definitely expands.DOI : http://dx.doi.org/10.22342/jims.15.1.42.37-48
MODEL STOKASTIK PENYEBARAN PENYAKIT DEMAM BERDARAH DI KOTA DEPOK H. SUMARNO; P. SIANTURI; A. KUSNANTO; S. SISWADI
MILANG Journal of Mathematics and Its Applications Vol. 14 No. 2 (2015): Journal of Mathematics and Its Applications
Publisher : Dept. of Mathematics, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (716.729 KB) | DOI: 10.29244/jmap.14.2.29-44

Abstract

Kajian penyebaran penyakit dengan pendekatan deterministik telah banyak dilakukan. Tujuan dari kajian ini adalah untuk mempelajari model stokastik penyebaran penyakit demam berdarah di Kota Depok. Pertama, digunakan asumsi bahwa populasi dalam kondisi stasioner. Pada model ini diasumsikan tidak terjadi pertambahan penduduk. Kedua, diasumsikan bahwa penduduk Kota Depok masih terus meningkat. Hasil analisis menunjukkan bahwa di Kota Depok tidak terjadi endemi penyakit dengue. Dalam model terturup terjadi kestabilan dengan perbandingan rentan, infeksi, dan sembuh 99.78%, 0.11%, dan 0.11%. Sedangkan dalam model terbuka tidak terjadi kesetimbangan, namun banyaknya populasi terinfeksi semakin lama semakin kecil.
BIPLOT DAN IMPLEMENTASINYA DENGAN PEMROGRAMAN FUNGSIONAL MATHEMATICA N. K. K. ARDANA; S. SISWADI
MILANG Journal of Mathematics and Its Applications Vol. 4 No. 2 (2005): Journal of Mathematics and Its Applications
Publisher : Dept. of Mathematics, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (5653.802 KB) | DOI: 10.29244/jmap.4.2.45-55

Abstract

Teknik pemrograman fungsional mathematica digunakan untuk mengimplementasikan metode (Gabriel) biplot. Hasil utarna yang diperoleh berupa suatu perintah/fungsi biplot[data, 0, opsi]. Argumen pertama: data berupa data mentah dalam bentuk matriks dan peubah ganda yang terdiri dari n obyek dan p peubah. Argumen a berupa koefisien a € [0,1] pada penguraian nilai singular rnatriks data X = VA V' = (U Aa)( A I-a V')=GH". Nilai a = 0 menghasilkan biplot korelasi, a = 1 menghasilkan biplot jarak Euclid, 0.= 0.5 menghasilkan biplot antara. Kombinasi a, = 1 untuk G dan 0.2 = 0 untuk H menghasilkan biplot kombinasi. Argumen opsi berupa tambahan untuk label titik-titik obyek dan vektor peubah. Perintah biplot akan menghasilkan sekaligus plot obyek yang dinyatakan dengan tebaran titik koordinatnya, dan plot vektor peubah yang dinyatakan dengan garis. Illustrasi kasus nyata berupa biplot pernanfaatan dan pengembangan Teknologi Informasi (TI) pada beberapa negara diberikan untuk melihat tampilan biplot yang dihasilkan beserta interpretasinya.
PAKET BIPLOT BIASA DAN KEKAR DENGAN PEMROGRAMAN FUNGSIONAL MATHEMATICA BERBASIS GUI N. K. K. ARDANA; S. SISWADI
MILANG Journal of Mathematics and Its Applications Vol. 8 No. 2 (2009): Journal of Mathematics and Its Applications
Publisher : Dept. of Mathematics, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1170.078 KB) | DOI: 10.29244/jmap.8.2.57-64

Abstract

Paket biplot sebagai alat eksplorasi dan visualisasi data peubah ganda dikembangkan dengan teknik pemrograman fungsional Mathematica berbasis GUI (Graphical User Interface)  Paket ini dapat digunakan untuk melakukan eksplorasi data peubah ganda, baik tanpa pencilan maupun dengan pencilan. Analisis biplot biasa untuk kasus data tanpa pencilan menggunakan penguraian nilai singular matriks data dengan norma L2, sedangkan biplot kekar untuk kasus matriks data yang mengandung pencilan dilakukan dengan memberikan bobot pada setiap baris matriks data pendugaan-M kekar. Konfigurasi peubah-objek ditampilkan di dalam ruang dua dimensi pada berbagai koefisien α ϵ [0,1] yang dapat diubah secara interaktif, disertai ukuran kesesuaian matriks pendekatan, dan berbagai hasil komputasi numerik lainnya, Ilustrasi numerik diberikan untuk melihat tampilan kedua jenis biplot yang dihasilkan.
Co-Authors A. KUSNANTO H. SUMARNO I Wayan Mangku N. K. K. ARDANA P. SIANTURI Retno Budiarti