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All Journal JURNAL MATEMATIKA STATISTIKA DAN KOMPUTASI Jurnal Gaussian
Susi Ekawati
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Mathematics Other

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NILAI EIGEN MATRIKS QUATERNION Susi Ekawati
Jurnal Matematika, Statistika dan Komputasi Vol. 16 No. 1 (2019): JMSK, July, 2019
Publisher : Department of Mathematics, Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (610.68 KB) | DOI: 10.20956/jmsk.v16i1.5943

Abstract

AbstrakMenurut Zhang (2007), jika  adalah matriks quaternion dengan  dan  adalah nilai eigen kiri dari , maka . Dalam penelitian ini akan ditunjukkan tiga hal. Pertama, jika  adalah matriks quaternion dengan  dan  adalah nilai eigen kiri dari  maka .Kata Kunci : Quaternion, Determinan Cayley, Nilai Eigen Kiri AbstractAccording to Zhang (2007), if  is a quaternion matrix with  and  is the left eigenvalue of , then . In this paper will be shown, if  is a quaternion matrix with  and  is the left eigenvalue of , then .Keywords : Quaternion, Cayley Determinant, Left Eigenvalue
ANALISIS KORESPONDENSI UNTUK MENDAPATKAN PETA PERSEPSI DAN VARIABEL BAGI KEGIATAN USAHA (Studi Kasus Rumah Makan Spesial Sambal (SS) terhadap Pesaingnya) Susi Ekawati; Agus Rusgiyono; Triastuti Wuryandari
Jurnal Gaussian Vol 4, No 1 (2015): Jurnal Gaussian
Publisher : Department of Statistics, Faculty of Science and Mathematics, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (391.862 KB) | DOI: 10.14710/j.gauss.v4i1.8153

Abstract

Correspondence analysis is a technique for displaying the rows and columns of a data matrix primarily, a two-way contingency table as points in dual low-dimensional vector spaces. This technique is used to reduce the dimension of variables and describe the profile vector of rows and columns of the contingency table. This research aims to determine the position of the rivalry between the restaurants in Tembalang region based on consumer’s perceptions and to identify variables that distinguish it. The variables which used are including the price, taste, cleanliness, service, variety of food, and parking lots. Correspondence analysis is used to determine the variables that distinguish the 5th of the restaurant. The correspondence analysis produces a combined perceptual map with the satisfaction variables restaurant. From the analysis, it can be concluded that the perceptual map in the correspondence analysis shows the proximity between restaurant and satisfaction variables. Keywords : correspondence analysis, perceptual map, restaurant, satisfaction.
Co-Authors Agus Rusgiyono Triastuti Wuryandari