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All Journal Matematika: Jurnal Teori dan Terapan Mathematics and Applications (MAp) Journal Science, Technology, and Communication Journal
Sri Gemawati
Universitas Riau
Computer Science & IT Education Electrical & Electronics Engineering Engineering Materials Science & Nanotechnology Mathematics

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Alternatif Lain Menentukan Panjang Garis Singgung di Luar Parabola Ade Novia Rahma; M. Mashadi; Sri Gemawati
Matematika Vol 16, No 2 (2017): Jurnal Matematika
Publisher : Universitas Islam Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29313/jmtm.v16i2.2760

Abstract

Panjang garis singgung melalui suatu titik di luar parabola dapat ditentukan dengan satu alternatif yaitu dengan jarak antara dua titik. Penulis menemukan alternatif lain menentukan panjang garis singgung melalui suatu titik di luar parabola dengan menggunakan konsep garis kutub.Kata kunci: panjang garis singgung, persamaan garis kutub, parabola.Alternative Way in Determining The Length of Tangent Outside The ParabolaThe length of tangent which pass through a certain point outside the parabola can be using the distance between two points. In this study, the finding revealed another alternative for deciding the length of tangent trough one point outside the parabola by using the concept of the poles.Keywords: equality of the poles, the length of tangent, parabola
GENERALISASI q-DERIVASI DI BE-ALJABAR Elsi Fitria; Endah Dwi Jayanti; Sri Gemawati
MAp (Mathematics and Applications) Journal Vol 5, No 1 (2023)
Publisher : Universitas Islam Negeri Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15548/map.v5i1.6094

Abstract

BE-algebra is an algebra (X; *,1) of type (2,0) that satisfies the axioms (BE1) x*x=1, (BE2) x*1=1, (BE3) 1*x=x, and (BE4) x*(y*z)=y*(x*z) for all x,y,z ∈X. In this paper, the concept of generalization of q-derivation in BE-algebra is defined and its properties are determined. Then,we discuss the properties of the kernel of a generalized q-derivation in BE-algebra based on their relation to its elements.
On (f,g)-Derivation in BCH-Algebra Sherly Afriastuti; Sri Gemawati; Syamsudhuha Syamsudhuha
Science, Technology and Communication Journal Vol. 1 No. 3 (2021): SINTECHCOM Journal (June 2021)
Publisher : Lembaga Studi Pendidikan and Rekayasa Alam Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59190/stc.v1i3.196

Abstract

BCH-algebra is a non-empty set with the binary operation * and the constant 0, and statisfying the certain axioms. A mapping of d from X to itself is said to be a derivation in BCH-algebra if d is both (l,r)-derivation and (r,l)-derivation in BCH-algebra, where X is BCH-algebra. This article discusses the concepts of (l,r)-(f,g)-derivation, (r,l)-(f,g)-derivation, and (f,g)-derivation in BCH-algebra, and investigates the properties (l,r)-(f,g)-derivation, (r,l)-(f,g)-derivation and (f,g)-derivation in BCH-algebra.
On Left fq-Derivations of B-Algebras Egytia Yattaqi; Sri Gemawati; Ihda Hasbiyati
Science, Technology and Communication Journal Vol. 2 No. 1 (2021): SINTECHCOM Journal (October 2021)
Publisher : Lembaga Studi Pendidikan and Rekayasa Alam Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59190/stc.v2i1.197

Abstract

In this paper, we introduce the notion of left fq-derivation of B-algebra and investigate some related properties. Among them are properties of left fq-derivation df0 of B-algebra (X;*,0) and given properties of dfq (x). Then, we discuss the properties of the regular left fq-derivation on B-algebras and composition properties of fq-derivation on particular B-algebra, namely on BM-algebra.  
Co-Authors Ade Novia Rahma Egytia Yattaqi Elsi Fitria Endah Dwi Jayanti Ihda Hasbiyati M. Mashadi Sherly Afriastuti Syamsudhuha Syamsudhuha T. Fuja Siswanti