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Mathematical Journal of Modelling and Forecasting最新文献

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Analysis of Raw Material Inventory Control using the ABC Analysis Method and EOQ Method in the Fajar Onion Crackers Business 运用ABC分析法和EOQ法分析Fajar洋葱饼干企业的原材料库存控制
Mathematical Journal of Modelling and Forecasting Pub Date : 2023-06-23 DOI: 10.24036/mjmf.v1i1.7
Ledy Vanesa, H. Helma
{"title":"Analysis of Raw Material Inventory Control using the ABC Analysis Method and EOQ Method in the Fajar Onion Crackers Business","authors":"Ledy Vanesa, H. Helma","doi":"10.24036/mjmf.v1i1.7","DOIUrl":"https://doi.org/10.24036/mjmf.v1i1.7","url":null,"abstract":"Inventory control is one aspect that affect the company's smooth operation. In this study, the Activity Based Costing (ABC) analysis method and the Economic Order Quantity (EOQ) method are applied to control raw material inventory. The Bawang Fajar cracker business is one of the SMEs whose raw material inventory control has yet to use the ABC analysis method and the EOQ method. This research is applied research. Based on the results of this study, it was found that the grouping of raw material inventories according to ABC analysis was divided into three groups, namely group A; wheat flour and cooking oil, group B; eggs, and group C; onion and garlic. The TIC value based on the EOQ method is Rp. 1,749,102.00, while the TIC value based on the method used by the company is Rp. 3,582,200.00. So that the EOQ method is more effective than the method used by the company in the Fajar Bawang Crackers Business.","PeriodicalId":320913,"journal":{"name":"Mathematical Journal of Modelling and Forecasting","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115341593","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Profit Optimization of Ngawen Orchid MSME 恩文兰花中小微企业的利润优化
Mathematical Journal of Modelling and Forecasting Pub Date : 2023-06-23 DOI: 10.24036/mjmf.v1i1.5
Ighfirli Amanda Izzati, Aida Haya Afifah, Neisya Jamilatus Syarifah, Wakhid Fitri Albar, Deddy Rahmadi
{"title":"Profit Optimization of Ngawen Orchid MSME","authors":"Ighfirli Amanda Izzati, Aida Haya Afifah, Neisya Jamilatus Syarifah, Wakhid Fitri Albar, Deddy Rahmadi","doi":"10.24036/mjmf.v1i1.5","DOIUrl":"https://doi.org/10.24036/mjmf.v1i1.5","url":null,"abstract":"The Ngawen Orchid MSME (Micro, Small, and Medium Enterprise) in Ngawen Hamlet, Ngawen Village, Muntilan District, Magelang Regency is a promising business opportunity. Apart from being in great demand, ornamental orchid plants also have a very high selling value. Orchid ornamental plants that are cultivated consist of three types: Dendrobium, Cattleya, and Phalaenopsis. This study aims to optimize profits by considering the number of plants and fertilizers used. This optimal profit can be achieved by applying the science of linear programming, one of which is the simplex method. The data collection techniques used in this study were interviews and direct observation of the Ngawen Orchid MSME. Based on the results of a linear programming analysis of the number of ornamental plants of Ngawen Orchid cultivation, optimal benefits were obtained from planting 40 Cattleya and 40 Phalaenopsis types orchids and there was no need to plant Dendrobium types, to get an optimal profit of IDR 4,600,000.","PeriodicalId":320913,"journal":{"name":"Mathematical Journal of Modelling and Forecasting","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126357181","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Elimination Et Choix Traduisant La Realite (ELECTRE) Method in Determining Priority for Acceptance of the Family Hope Program (Jorong Sawah Kareh Nagari Balimbing) 确定接受家庭希望计划的优先次序的消除选择(ELECTRE)方法(Jorong Sawah Kareh Nagari Balimbing)
Mathematical Journal of Modelling and Forecasting Pub Date : 2023-06-23 DOI: 10.24036/mjmf.v1i1.10
Mira Sartika, Dewi Murni
{"title":"The Elimination Et Choix Traduisant La Realite (ELECTRE) Method in Determining Priority for Acceptance of the Family Hope Program (Jorong Sawah Kareh Nagari Balimbing)","authors":"Mira Sartika, Dewi Murni","doi":"10.24036/mjmf.v1i1.10","DOIUrl":"https://doi.org/10.24036/mjmf.v1i1.10","url":null,"abstract":"Poverty is a hard issue to solve. Therefore the government held a program to help reduce poverty, namely the Family Hope Program (FHP). However, the problems that occur are that there are still FHP recipients who are not on target. Where the ELECTRE method is the method used to determine ranking by considering the importance level criterion of each, in cases with other alternatives but only a criterion is involved. The results of the study using the ELECTRE method obtained that the alternative that was prioritized for FHP beneficiaries was the alternative with the top ranking, for the number of alternatives that were prioritized depending on the decision maker, namely the Nagari Balimbing office. \u0000 ","PeriodicalId":320913,"journal":{"name":"Mathematical Journal of Modelling and Forecasting","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126642781","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Determination of the Disability Premium there is Life Insurance with Annual Payment for Type Benefit Waiver of Premium 伤残保费的厘定有按年给付的人寿保险类型给付豁免保费
Mathematical Journal of Modelling and Forecasting Pub Date : 2023-06-23 DOI: 10.24036/mjmf.v1i1.11
Esti Marsela, S. Yosmar, Septri Damayanti
{"title":"Determination of the Disability Premium there is Life Insurance with Annual Payment for Type Benefit Waiver of Premium","authors":"Esti Marsela, S. Yosmar, Septri Damayanti","doi":"10.24036/mjmf.v1i1.11","DOIUrl":"https://doi.org/10.24036/mjmf.v1i1.11","url":null,"abstract":"When there is a work accident that results in someone becoming disabled or sick, it often leads to termination of employment (layoff) for reasons of productivity. A person who has a chance of having a work accident needs to buy a disability life insurance policy to reduce the financial losses that occur. One type of disability benefit in life insurance is the waiver of premiums. The purpose of this study is to determine the amount of annual disability premium that will be paid to be able to benefit from the type of benefit waiver of premium on dual-purpose life insurance either manually or using Excel Visual Basic for Application. The results showed that the calculation of annual premiums can be generalized that the older the insured, the greater the premium paid. Meanwhile, the greater the policy term, the smaller the premium paid.","PeriodicalId":320913,"journal":{"name":"Mathematical Journal of Modelling and Forecasting","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131963289","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optimization of Aqua Gallon Water Distribution Cost at Mega Mas Water Depot by VAM and MODI 基于VAM和MODI的Mega Mas水厂水加仑配水成本优化
Mathematical Journal of Modelling and Forecasting Pub Date : 2023-06-23 DOI: 10.24036/mjmf.v1i1.6
Najma Fatikasari, Bhernita Mila Yasinta, Wakhid Fitri Albar
{"title":"Optimization of Aqua Gallon Water Distribution Cost at Mega Mas Water Depot by VAM and MODI","authors":"Najma Fatikasari, Bhernita Mila Yasinta, Wakhid Fitri Albar","doi":"10.24036/mjmf.v1i1.6","DOIUrl":"https://doi.org/10.24036/mjmf.v1i1.6","url":null,"abstract":"This study aims to obtain optimal distribution costs for selling gallons of water at the Air Mega Mas Depot, Sekaran. The data analysis method used is the transportation method, using the VAM (Vogel's Approximation Method) method for the initial solution and the optimal test using the MODI (Modified Distribution) method. Air Mega Mas Depot is faced with the problem of increasing marketing costs due to the lack of regular distribution patterns from the source to the marketing destination, so the company tries to optimize the transportation costs incurred. The distribution of gallon water products at the Air Mega Mas Depot using the transportation method gets optimal results. The costs incurred by the Air Mega Mas Depot for the distribution of gallons of water for a 2-month period (March-April) are Rp. 2.520.000 while for the optimal calculation results for the distribution of gallons of water, a cost of IDR 2.435.000 is obtained. Based on this analysis, Air Mega Mas Depot can optimize distribution costs for the March-April period of IDR 85.000.","PeriodicalId":320913,"journal":{"name":"Mathematical Journal of Modelling and Forecasting","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128141458","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Geographically Weighted Regression Analysis on Cases of Malnutrition Under Five in the West Sumatra 西苏门答腊5岁以下营养不良病例的地理加权回归分析
Mathematical Journal of Modelling and Forecasting Pub Date : 2023-06-23 DOI: 10.24036/mjmf.v1i1.8
Fifi Sandriani, H. Helma
{"title":"Geographically Weighted Regression Analysis on Cases of Malnutrition Under Five in the West Sumatra","authors":"Fifi Sandriani, H. Helma","doi":"10.24036/mjmf.v1i1.8","DOIUrl":"https://doi.org/10.24036/mjmf.v1i1.8","url":null,"abstract":"Malnutrition is a condition experienced by toddlers due to low nutrition or nutritional needs that have not been met. Effort to improve health status by improving the nutritional status of toddlers. The purpose of this research is clarify the Geographically Weighted Regression model is the best model when compared to the multiple linear regression model. The data used was obtained data from the West Sumatra Provincial Helath Office for 2020. The dependent variable used is the percentage of cases of malnutrition and there are several independent variables, namely the percentage of children under five who were given vitamin A, the percentage of babies who were exclusively breastfeed, and babies born with low birth weight. The results showed that the gwr model can explain the diversity of cases of malnutrition of children under five by 99% with a total squared error of 0.002 compared with multiple linear regression model which is able to explain the diversity of cases of malnutrition among children under five by 43% with a total squared errors of 0.585. It is concluded that the gwr model is the best model.","PeriodicalId":320913,"journal":{"name":"Mathematical Journal of Modelling and Forecasting","volume":"64 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124847354","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Comparison of Parameter Estimation in Exponential Distribution using Maximum Likelihood Method and Bayesian Method 极大似然法与贝叶斯法在指数分布参数估计中的比较
Mathematical Journal of Modelling and Forecasting Pub Date : 2023-06-23 DOI: 10.24036/mjmf.v1i1.2
G. Mada, Cecilia Noviyanti Salsinha, Beatrix Farena Mun
{"title":"The Comparison of Parameter Estimation in Exponential Distribution using Maximum Likelihood Method and Bayesian Method","authors":"G. Mada, Cecilia Noviyanti Salsinha, Beatrix Farena Mun","doi":"10.24036/mjmf.v1i1.2","DOIUrl":"https://doi.org/10.24036/mjmf.v1i1.2","url":null,"abstract":"This study aims to compare the parameter estimation process on the exponential distribution using the maximum likelihood method and the Bayesian method on service data at Bank BRI Atambua Branch. The result of processing data on 100 service time data obtained parameter values for the maximum likelihood method = 0,050942 and the Bayesian = 1,0008. By using the Akaike Information Criterion (AIC) feasibility test for these parameters, the AIC value for the maximum likelihood method was 797,4122 and the AIC value for the Bayesian method was 3.931,1002 so it can be concluded that the maximum likelihood method is better used to estimate parameters than Bayesian method.","PeriodicalId":320913,"journal":{"name":"Mathematical Journal of Modelling and Forecasting","volume":"8 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130337139","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Solving the Problem of Profit Maximization in Najwa Sewing House Textile Business in Salatiga 萨拉提加纳瓦缝纫屋纺织品业务利润最大化问题的解决
Mathematical Journal of Modelling and Forecasting Pub Date : 2023-06-23 DOI: 10.24036/mjmf.v1i1.4
Stefany Margaretha Hutauruk, Farisca Ayu Pitaningtyas, Wakhid Fitri Albar, A. Hidayat
{"title":"Solving the Problem of Profit Maximization in Najwa Sewing House Textile Business in Salatiga","authors":"Stefany Margaretha Hutauruk, Farisca Ayu Pitaningtyas, Wakhid Fitri Albar, A. Hidayat","doi":"10.24036/mjmf.v1i1.4","DOIUrl":"https://doi.org/10.24036/mjmf.v1i1.4","url":null,"abstract":"Linear programs are often referred to as linear problem-solving methods, one of which is the simplex method. The simplex method is an approach that the author can use in solving a linear program problem in determining the optimal solution that has two or more decision variables where in determining the combination itself can be repeated iterating over the simplex table until the optimum value is found in the optimization problem that has been studied. The business world must have optimization problems that include maximum profits and minimum costs where both problems can be solved using the simplex method. The research began on May 14, 2023 at Najwa Sewing House (Clothing Store) Ngelosari, Jombor, Kec.Tuntang, Semarang Regency. The purpose of this study is to describe and analyze the simplex method in a linear program so that maximum profit is obtained in the production of Najwa Sewing House. The analysis carried out in this study is an analysis using the simplex method with calculations assisted by excel applications. The results showed that the amount of optimum production from each product capacity at Najwa Sewing House resulted in a maximum profit of IDR 2.550.000.","PeriodicalId":320913,"journal":{"name":"Mathematical Journal of Modelling and Forecasting","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125356039","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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