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INDONESIA
MATEMATIKA
Published by Universitas Diponegoro
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Core Subject : Education,
Mathematics
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Articles 7 Documents
 1 
Search results for , issue "Vol 10, No 3 (2007): JURNAL MATEMATIKA" : 7 Documents clear
MODEL LOGISTIK DENGAN DIFUSI PADA PERTUMBUHAN SEL TUMOR EHRLICH ASCITIES Nirwansah, Hendi; Widowati, Widowati
MATEMATIKA Vol 10, No 3 (2007): JURNAL MATEMATIKA
Publisher : MATEMATIKA

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Abstract

This paper presents an approach of the Ehrlich ascities tumor growth modelling based on the logistic equation with diffusion. This model is constructed by using the concept of the reaction-diffusion equation. Besides that by using the principle of the travelling wave, a model equation with diffusion at tumor cell growth can be formed into the two non linear differential equation system. Then the equilibrium points of the non linear system will be obtained so that the stability of the model can be analized.
RESULTAN DARI POLINOMIAL DENGAN n - INDETERMINATE Harjito, Harjito; Soelistyo, Robertus Heri; DR, Karuniawati
MATEMATIKA Vol 10, No 3 (2007): JURNAL MATEMATIKA
Publisher : MATEMATIKA

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Abstract

Let  be polynomials where K is a field. To determine whether two polynomials have a common factor without doing any divisions in K[x] can be seen from its resultant, that is determinant from Sylvester matrix. Two polynomials will have a common factor if and only if its resultant is zero. If its resultant isn’t zero so two polynomials have not a common factor. Wants to be look for resultant  where  in  where C is the set of all complex numbers. To make the easy resultant computations is used by maple 8.                
PROBLEM ELIMINASI CUT PADA LOGIKA LBB’Ink Surarso, Bayu
MATEMATIKA Vol 10, No 3 (2007): JURNAL MATEMATIKA
Publisher : MATEMATIKA

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Abstract

In the present paper we study the problem of  the cut elimination in logics LBB’Ink , i.e. logics obtained from LBB’I by adding a rule called (n®k) rule. It is known that  the cut elimination theorem for LBB’I and its standard extensions can be proved using some modifications of the method used by Gentzen in 1935 to prove the cut elimination theorem for Intuitionistic Logic. We extend the modifications to show that LBB’Ink  enjoy the cut elimination theorem when k=1. On the  other side, we give a counter example sequent to show that the cut elimination theorem does not work for  LBB’Ink  when k>1.
TERAPAN FUNGSI DENSITAS EMPIRIK DENGAN PENDEKATAN DERET FOURIER UNTUK ESTIMASI DIAGRAM PENGENDALI KUALITAS Santoso, Rukun
MATEMATIKA Vol 10, No 3 (2007): JURNAL MATEMATIKA
Publisher : MATEMATIKA

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Abstract

Any continues function on the Hilbert space L2[-p,p] can be represented as Fourier series. By this fact, a density function can be estimated by Fourier series as estimator of continues function on L2[-p,p]. Further, this function estimator will be used to derive process parameters that needed on the control quality chart design  
PENENTUAN SUATU PENGONTROL DENGAN INDEKS PERFORMANSI BERUPA NORMA CAMPURAN DAN Soelistyo, Robertus Heri
MATEMATIKA Vol 10, No 3 (2007): JURNAL MATEMATIKA
Publisher : MATEMATIKA

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Abstract

. This paper considers the mix-norm / standard problem. Specifically an LQG control design problem involving a constraint on  disturbance attenuation is addressed. It is shown that the / dynamic compensator gains are completely characterized via coupled Riccati/Lyapunov equation. The principle result involves sufficient condition for characterizing full order guaranteeing closed loop stability, constrained  disturbance attenuation and an optimized  performance bound.
ASURANSI KESEHATAN INDIVIDU PERAWATAN RUMAH SAKIT Wilandari, Yuciana
MATEMATIKA Vol 10, No 3 (2007): JURNAL MATEMATIKA
Publisher : MATEMATIKA

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Abstract

The Individual Insurance Health of the Hospital Care is a cooperation form to reduce hospital expenses. The calculation of the annual net premium is influenced by age and sex at the policy released time. The premium can be paid once in each year by renewing the premium every year and also cannot be renewed.  
GEOMETRI EUCLID EG(2, pn) UNTUK MEMBENTUK RANCANGAN BLOK TIDAK LENGKAP SEIMBANG Irawanto, Bambang; Hidayati, Yuni
MATEMATIKA Vol 10, No 3 (2007): JURNAL MATEMATIKA
Publisher : MATEMATIKA

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Abstract

A Balanced Incomplete Block (BIB) design with parameters  is an arrangement of v distinct objects into b bloks such that each block contains exactly k distinct objects, each object occurs in exactly r different blocks, and every pair of distinct object  occurs together in exactly l blocks. Euclidean geometry EG (2, pn) is the finite geometry of two dimensions over the Galois Field GF(pn). By considering that the object of BIB design is same with the points of EG(2, pn) and the blocks which contain those objects are same with the lines which contain the points from EG(2, pn),  EG (2, pn) can be used to construct BIB design.

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